Realtek Audio Service 1.0.0.55 – ‘RtkAudioService64.exe’ Unquoted Service Path

  • 作者: Erika Figueroa
    日期: 2020-11-09
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/49015/
  • # Exploit Title: Realtek Audio Service 1.0.0.55 - 'RtkAudioService64.exe' Unquoted Service Path
    # Discovery by: Erika Figueroa
    # Discovery Date: 2020-11-07
    # Vendor Homepage: https://www.realtek.com/en/
    # Tested Version: 1.0.0.55
    # Vulnerability Type: Unquoted Service Path
    # Tested on OS: Windows 8.1 x64 es
    
    # Step to discover Unquoted Service Path: 
    
    C:\>wmic service get name, pathname, displayname, startmode | findstr /i "Auto" | findstr /i /v "C:\Windows\\" | findstr /i "CodeMeter" | findstr /i /v """
    
    Realtek Audio Service RtkAudioService C:\Program Files\Realtek\Audio\HDA\RtkAudioService64.exeAuto
    # Service info:
    
    C:\>sc qc "RtkAudioService"
    [[SC] QueryServiceConfig CORRECTO
    
    NOMBRE_SERVICIO: RtkAudioService
    TIPO : 10WIN32_OWN_PROCESS
    TIPO_INICIO: 2 AUTO_START
    CONTROL_ERROR: 1 NORMAL
    NOMBRE_RUTA_BINARIO: C:\Program Files\Realtek\Audio\HDA\RtkAudioService64.exe
    GRUPO_ORDEN_CARGA: PlugPlay
    ETIQUETA : 0
    NOMBRE_MOSTRAR : Realtek Audio Service
    DEPENDENCIAS :
    NOMBRE_INICIO_SERVICIO: LocalSystem
    
    #Exploit:
    
    A successful attempt would require the local user to be able to insert their code in the system root path undetected by the OS or other security applications where it could potentially be executed during application startup or reboot. If successful, the local user's code would execute with the elevated privileges of the application.