AVAST SecureLine 5.5.522.0 – ‘SecureLine’ Unquoted Service Path

• Exploit Database
• 20 阅读

• 作者： Roberto Piña
  日期： 2020-03-25
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/48249/

• # Exploit Title: AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path
  # Discovery by: Roberto Piña
  # Discovery Date: 2020-03-24
  # Vendor Homepage:https://www.avast.com/
  # Software Link :https://www.avast.com/es-mx/download-thank-you.php?product=SLN&locale=es-mx
  # Tested Version: 5.5.522.0
  # Vulnerability Type: Unquoted Service Path
  # Tested on OS: Windows 8.1 Single Language x32 es
  
  # Step to discover Unquoted Service Path: 
  
  C:\>wmic service get name, pathname, displayname, startmode | findstr "Auto" | f
  indstr /i /v "C:\Windows\\" | findstr /i "Avast SecureLine" | findstr /i /v """
  Avast SecureLine
   SecureLine C:\Program Files\AVAST Software\SecureLine\VpnSvc.exe 
   Auto
  
  C:\>sc qc SecureLine
  [SC] QueryServiceConfig CORRECTO
  
  NOMBRE_SERVICIO: SecureLine
  TIPO : 10WIN32_OWN_PROCESS
  TIPO_INICIO: 2 AUTO_START
  CONTROL_ERROR: 1 NORMAL
  NOMBRE_RUTA_BINARIO: C:\Program Files\AVAST Software\SecureLine\VpnSvc.exe
  GRUPO_ORDEN_CARGA:
  ETIQUETA : 0
  NOMBRE_MOSTRAR : Avast SecureLine
  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.