what you don't know can hurt you

pfSense 2.4.1 Clickjacking

pfSense 2.4.1 Clickjacking
Posted Nov 23, 2017
Authored by Securify B.V.

pfSense version 2.4.1 suffers from a clickjacking vulnerability in the cross site request forgery error page.

tags | advisory, csrf
MD5 | d27cfffbd264ae18908fb4c5e7e89289

pfSense 2.4.1 Clickjacking

Change Mirror Download
------------------------------------------------------------------------
Clickjacking vulnerability in CSRF error page pfSense
------------------------------------------------------------------------
Yorick Koster, November 2017

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Abstract
------------------------------------------------------------------------
pfSense is a free and open source firewall and router. It was found that
the pfSense WebGUI is vulnerable to Clickjacking. By tricking an
authenticated admin into interacting with a specially crafted webpage it
is possible for an attacker to execute arbitrary code in the WebGUI.
Since the WebGUI runs as the root user, this will result in a full
compromise of the pfSense instance.

------------------------------------------------------------------------
Tested versions
------------------------------------------------------------------------
This issue was successfully tested on pfSense version 2.4.1.

------------------------------------------------------------------------
Fix
------------------------------------------------------------------------
pfSense 2.4.2-RELEASE was released that addresses the Clickjacking
issue.

------------------------------------------------------------------------
Details
------------------------------------------------------------------------
https://www.securify.nl/advisory/SFY20171101/clickjacking-vulnerability-in-csrf-error-page-pfsense.html


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