Acer Updater Service version 1.2.3500.0 suffers from an unquoted service path vulnerability.
# Exploit Title: Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path
# Discovery by: Emmanuel Lujan
# Discovery Date: 2020-11-26
# Vendor Homepage: https://www.acer.com/ac/en/US/content/home
# Tested Version: 1.2.3500.0
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 7 Home Premium x64
# Step to discover Unquoted Service Path:
C:>wmic service get name, pathname, displayname, startmode | findstr /i "Auto" | findstr /i /v "C:Windows" | findstr /i /v """
Live Updater Service Live Upd
ater Service C:Program FilesAcerAcer UpdaterUpdater
# Service info:
C:>sc qc "Live Updater Service"
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: Live updater Service
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:Program FilesAcerAcer UpdaterUpdaterService.exe
TAG : 0
DISPLAY_NAME : Live Updater Service
SERVICE_START_NAME : LocalSystem
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.