Viscosity for Windows 1.6.7 Privilege Escalation

vendor:

Viscosity

by:

Kacper Szurek

7,2

CVSS

HIGH

Privilege Escalation

264

CWE

Product Name: Viscosity

Affected Version From: 1.6.7

Affected Version To: 1.6.7

Patch Exists: YES

Related CWE: N/A

CPE: a:sparklabs:viscosity:1.6.7

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows

2017

Viscosity for Windows 1.6.7 Privilege Escalation

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

Mitigation:

Update to version 1.6.8

Source

Exploit-DB raw data:

# 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/