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Date: Wed, 22 Nov 2017 18:38:18 +0100
From: "Securify B.V. via Fulldisclosure" <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org
Subject: [FD] Clickjacking vulnerability in CSRF error page pfSense

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Clickjacking vulnerability in CSRF error page pfSense
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Yorick Koster, November 2017

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Abstract
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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.

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

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

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

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