full-disclosure - [FD] Craft CMS affected by server side template injection

Open Source and information security mailing list archives

Message-ID: <57718546.9040704@securify.nl>
Date: Mon, 27 Jun 2016 21:57:58 +0200
From: "Securify B.V." <lists@...urify.nl>
To: fulldisclosure@...lists.org
Subject: [FD] Craft CMS affected by server side template injection

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Craft CMS affected by server side template injection
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Nelson Berg & Jurgen Kloosterman, June 2016

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Abstract
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It was discovered that Craft CMS is vulnerable to server-side
template injection. An authenticated attacker can exploit this issue
to compromise Craft CMS, for example by retrieving sensitive data from
configuration files.

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Tested versions
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All versions of Craft CMS prior to build 2791 are affected by this
vulnerability.

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Fix
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Pixel & Tonic, Inc. released Craft CMS build 2791 that resolves this
vulnerability. This build can easily be installed through the Control
Panel. After the fix is applied the rendering of templates is globally
limited in TemplatesService.php and TwigEnvironment.php.

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Details
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https://www.securify.nl/advisory/SFY20160608/craft_cms_affected_by_server_side_template_injection.html

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