full-disclosure - [FD] IVPN Client for Windows 2.6.6120.33863 Privilege Escalation

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Message-ID: <CACoXDXiw7qNZun4LykyHCUoC93+oU80f2VZcHj=NH2O9MYmooQ@mail.gmail.com>
Date: Mon, 6 Feb 2017 16:33:16 +0100
From: Kacper Szurek <kacperszurek@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] IVPN Client for Windows 2.6.6120.33863 Privilege Escalation

# Exploit: IVPN Client for Windows 2.6.6120.33863 Privilege Escalation
# Date: 06.02.2017
# Software Link: https://www.ivpn.net/
# Exploit Author: Kacper Szurek
# Contact: https://twitter.com/KacperSzurek
# Website: https://security.szurek.pl/
# Category: local

1. Description

It is possible to run `openvpn` as `SYSTEM` with custom openvpn.conf.

Using `--up cmd` we can execute any command.

https://security.szurek.pl/ivpn-client-for-windows-26612033863-privilege-escalation.html

2. Proof of Concept

https://github.com/kacperszurek/exploits/blob/master/IVPN/ivpn_privilege_escalation.py

3. Solution

Update to version 2.6.2

https://www.ivpn.net/setup/windows-changelog.html

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