# Exploit Title: Viscosity for Windows 1.6.7 Privilege Escalation
# Date: 31.01.2017
# Software Link: https://www.sparklabs.com/
# Exploit Author: Kacper Szurek
# Contact: https://twitter.com/KacperSzurek
# Website: https://security.szurek.pl/
# Category: local
 
1. Description

It is possible to execute openvpn with custom dll as SYSTEM using ViscosityService because path is not correctly validated. 

https://security.szurek.pl/viscosity-for-windows-167-privilege-escalation.html

2. Proof of Concept

https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/41207.zip

3. Solution

Update to version 1.6.8

https://www.sparklabs.com/blog/viscosity-for-mac-windows-version-1-6-8/