Sync Breeze 13.6.18 – ‘Multiple’ Unquoted Service Path

# Exploit Title: Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path
# Discovery by: Brian Rodriguez
# Date: 16-06-2021
# Vendor Homepage: https://www.syncbreeze.com/
# Software Links:
# https://www.syncbreeze.com/setups_x64/syncbreezesrv_setup_v13.6.18_x64.exe
# https://www.syncbreeze.com/setups_x64/syncbreezeent_setup_v13.6.18_x64.exe
# Tested Version: 13.6.18
# 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 """

Sync Breeze Server  Sync Breeze Server   C:\Program Files\Sync Breeze
Server\bin\syncbrs.exe     Auto
Sync Breeze Enterprise   Sync Breeze Enterprise   C:\Program Files\Sync
Breeze Enterprise\bin\syncbrs.exe   Auto

C:\Users\IEUser>sc qc "Sync Breeze Server"
SC QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: Sync Breeze Server
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 0   IGNORE
        NOMBRE_RUTA_BINARIO: C:\Program Files\Sync Breeze
Server\bin\syncbrs.exe
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : Sync Breeze Server
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem

C:\Users\IEUser>sc qc "Sync Breeze Enterprise"
SC QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: Sync Breeze Enterprise
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 0   IGNORE
        NOMBRE_RUTA_BINARIO: C:\Program Files\Sync Breeze
Enterprise\bin\syncbrs.exe
        GRUPO_ORDEN_CARGA  :
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : Sync Breeze Enterprise
        DEPENDENCIAS       :
        NOMBRE_INICIO_SERVICIO: LocalSystem