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OpenVPN Private Tunnel 2.8.4 - (ovpnagent) Unquoted Service Path Vulnerability

Author
Sainadh Jamalpur
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-33440
Category
local exploits
Date add
01-11-2019
Platform
windows
# Title: OpenVPN Private Tunnel 2.8.4 - 'ovpnagent' Unquoted Service Path
# Author: Sainadh Jamalpur
# 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               : 10  WIN32_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.

#  0day.today [2024-11-15]  #