50 lines
5.1 KiB
JSON
50 lines
5.1 KiB
JSON
[
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer before writing data to it, which can lead to a buffer overflow vulnerability. The buffer size is 256 bytes, but the recv function is writing data starting from buffer[8], potentially allowing for more data to be written than the buffer can hold.",
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"fix_size": 256,
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"patch_info": "In the echo_handler function, the buffer size is set to 256 bytes. Therefore, when using recv to receive data from the socket, the program should be prepared to handle up to 256 bytes of data to prevent buffer overflow."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer being passed to it. It receives data into the buffer starting from index 8, which could potentially lead to a buffer overflow if the received data is larger than the allocated buffer size.",
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"fix_size": 256,
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"patch_info": "In the echo_handler function, the buffer size is set to 256 bytes. Therefore, when using recv to receive data from the socket, the program should be prepared to handle up to 256 bytes of data to prevent buffer overflow."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer before copying data into it, which can lead to a buffer overflow vulnerability. The buffer size is 256 bytes, but the recv function is copying data into buffer starting from index 8, potentially allowing more data to be copied than the buffer can hold.",
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"fix_size": 256,
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"patch_info": "In the echo_handler function, the buffer size is set to 256 bytes. Therefore, when using recv to receive data from the socket, the program should be prepared to handle up to 256 bytes of data to avoid buffer overflow."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer before copying data into it. This can lead to a buffer overflow vulnerability if the data received is larger than the size of the buffer (256 bytes). An attacker could potentially exploit this vulnerability to overwrite memory beyond the buffer and execute malicious code.",
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"fix_size": 248,
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"patch_info": "The buffer size should be reduced by 8 to account for the offset used in recv to prevent buffer overflow."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer before copying data into it, which can lead to a buffer overflow vulnerability. The buffer size is 256 bytes, but the recv function is copying up to 0x400 bytes into the buffer starting from index 8, potentially overwriting memory beyond the buffer boundaries.",
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"fix_size": 248,
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"patch_info": "The buffer size should be reduced by 8 bytes to account for the offset of 8 in the recv function call. This will prevent buffer overflow and ensure the program works safely."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer being passed to it, which can lead to a buffer overflow vulnerability if the data received is larger than the buffer size of 256 bytes.",
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"fix_size": 255,
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"patch_info": "The buffer size should be set to 255 to ensure that there is enough space to store the received data from the client without causing a buffer overflow. The buffer size should always be one less than the actual size to account for the null terminator."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " the program contains a risk of buffer overflow in the recv function. The recv function is called with a buffer size of 0x400 (1024 bytes), but the buffer allocated in the echo_handler function is only 256 bytes. This means that if the recv function receives more than 256 bytes of data, it will overflow the buffer and potentially overwrite other memory areas.",
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"fix_size": 255,
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"patch_info": "The buffer size should be set to 255 to ensure that there is enough space for the received data plus a null terminator. This will prevent buffer overflow and ensure the program works safely."
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},
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{
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"file_name": "recv_extract.c",
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"vul_info": " reason: The recv function in the echo_handler function does not check the size of the buffer before reading data into it. The buffer size is defined as 256 bytes, but the recv function reads up to 0x400 bytes into the buffer, which can lead to a buffer overflow vulnerability.",
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"fix_size": 255,
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"patch_info": "The buffer size should be set to 255 to ensure that there is enough space for the received data and to prevent buffer overflow. In this case, the buffer size is set to 256, which leaves room for a null terminator at the end of the string."
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}
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] |