Iskysoft Application Framework Service 2.4.3.241 - 'IsAppService' Unquoted Service Path

# Exploit Title: Iskysoft Application Framework Service 2.4.3.241 - 'IsAppService' Unquoted Service Path
# Discovery by: Alejandro Reyes
# Discovery Date: 2020-03-05
# Vendor Homepage: https://www.iskysoft.us
# Software Link : https://www.iskysoft.us/lp/filmora-video-editor/?gclid=EAIaIQobChMIo-WL-Z6h5wIVwR0YCh3O7QYsEAAYAiAAEgJ_m_D_BwE
# Tested Version: 2.4.3.241
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Home x64 

# Step to discover Unquoted Service Path: 



C:\>wmic service get name, displayname, pathname, startmode | findstr /i "Auto" | findstr /i /v "C:\Windows\\" | findstr "Iskysoft" | findstr /i /v """

Iskysoft Application Framework Service     IsAppService    C:\Program Files (x86)\Iskysoft\IAF\2.4.3.241\IsAppService.exe    Auto

# Service info:

C:\WINDOWS\system32>sc qc "IsAppService"

[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: IsAppService
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 0   IGNORE
        BINARY_PATH_NAME   : C:\Program Files (x86)\Iskysoft\IAF\2.4.3.241\IsAppService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Iskysoft Application Framework Service
        DEPENDENCIES       : RPCSS


# 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 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.