# 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 nvUpdatusServiceC:\Program Files (x86)\NVIDIA Corporation\NVIDIA Updatus\daemonu.exeAuto
C:\>sc qc nvUpdatusService
[SC] QueryServiceConfig CORRECTO
NOMBRE_SERVICIO: nvUpdatusService
TIPO : 10WIN32_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.
