OpenVPN Private Tunnel 2.8.4 – ‘ovpnagent’ Unquoted Service Path

  • 作者: Sainadh Jamalpur
    日期: 2019-11-01
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/47570/
  • # Title: OpenVPN Private Tunnel 2.8.4 - 'ovpnagent' Unquoted Service Path
    # Author: Sainadh Jamalpur
    # Date: 2019-10-31
    # Vendor Homepage: https://openvpn.net/
    # Software Link: https://swupdate.openvpn.org/privatetunnel/client/privatetunnel-win-2.8.exe
    # Version : PrivateTunnel v2.8.4
    # Tested on: Windows 10 64bit(EN)
    # CVE : N/A
    
    # =====================================================
    # 1. Description:
    # Unquoted service paths in OpenVPN Private Tunnel v2.8.4 have an unquoted service path.
    
    #PoC
    ===========
    C:\>sc qc ovpnagent
    [SC] QueryServiceConfig SUCCESS
    
    SERVICE_NAME: ovpnagent
    TYPE : 10WIN32_OWN_PROCESS
    START_TYPE : 2 AUTO_START
    ERROR_CONTROL: 1 NORMAL
    BINARY_PATH_NAME : C:\Program Files (x86)\OpenVPN
    Technologies\PrivateTunnel\ovpnagent.exe
    LOAD_ORDER_GROUP :
    TAG: 0
    DISPLAY_NAME : OpenVPN Agent
    DEPENDENCIES :
    SERVICE_START_NAME : LocalSystem
    
    C:\>
    
    #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.