Outline Service 1.3.3 – ‘Outline Service ‘ Unquoted Service Path
# Exploit Title: Outline Service 1.3.3 - 'Outline Service ' Unquoted Service Path # Discovery by: Minh Tuan - SunCSR # Discovery Date: 2020-05-03 # Vendor Homepage: https://getoutline.org/vi/home # Software Link : https://raw.githubusercontent.com/Jigsaw-Code/outline-releases/master/client/stable/Outline-Client.exe # Tested Version: 1.3.3 # Vulnerability Type: Unquoted Service Path # Tested on OS: Windows 10 Pro x64 10.0.18363 N/A Build 18363 # Step to discover Unquoted Service Path: C:\Users\minht>wmic service get name,pathname,displayname,startmode | findstr /i auto | findstr /i /v "C:\Windows\\" | findstr /i /v """ OutlineService OutlineService C:\Program Files (x86)\Outline\OutlineService.exe C:\Users\minht>sc qc OutlineService [SC] QueryServiceConfig SUCCESS SERVICE_NAME: OutlineService TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\Outline\OutlineService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : OutlineService 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. |