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List:       full-disclosure
Subject:    [FD] bugtraq@securityfocus.com
From:       "Securify B.V. via Fulldisclosure" <fulldisclosure () seclists ! org>
Date:       2017-11-22 17:38:38
Message-ID: 310f62fc-590c-4f3e-4518-1f2ece03b852 () securify ! nl
[Download RAW message or body]

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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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