Viscosity 1.6.7 - Local Privilege Escalation

Author: Kacper Szurek
type: local
platform: windows
port: 
date_added: 2017-01-31  
date_updated: 2017-01-31  
verified: 0  
codes:   
tags:   
aliases:   
screenshot_url:   
application_url:   

raw file: 41207.txt  

# 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://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/41207.zip

3. Solution

Update to version 1.6.8

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