# Exploit Title: NVIDIA Update Service Daemon 1.0.21 - 'nvUpdatusService' Unquoted Service Path # Discovery by: Roberto Piña # Discovery Date: 2020-04-27 # Vendor Homepage: https://www.nvidia.com/es-la/ # Software Link : https://www.nvidia.com/es-la/ # Tested Version: 1.0.21 # Vulnerability Type: Unquoted Service Path # Tested on OS: Windows 10 Pro x64 es # Step to discover Unquoted Service Path: C:\>wmic service get name, pathname, displayname, startmode | findstr "Auto" | findstr /i /v "C:\Windows\\" | findstr /i "NVIDIA" | findstr /i /v """ NVIDIA Update Service Daemon nvUpdatusService C:\Program Files (x86)\NVIDIA Corporation\NVIDIA Updatus\daemonu.exe Auto C:\>sc qc nvUpdatusService [SC] QueryServiceConfig CORRECTO NOMBRE_SERVICIO: nvUpdatusService TIPO : 10 WIN32_OWN_PROCESS TIPO_INICIO : 2 AUTO_START (DELAYED) CONTROL_ERROR : 1 NORMAL NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\NVIDIA Corporation\NVIDIA Updatus\daemonu.exe GRUPO_ORDEN_CARGA : ETIQUETA : 0 NOMBRE_MOSTRAR : NVIDIA Update Service Daemon DEPENDENCIAS : NOMBRE_INICIO_SERVICIO: .\UpdatusUser C:\> #Exploit: # A successful attempt would require the local user to be able to insert their code in the system root path # undetected by the OS or other security applications where it could potentially be executed during # application startup or reboot. If successful, the local user's code would execute with the elevated # privileges of the application.