[ GLSA 200503-35 ] Smarty: Template vulnerability

[Thierry Carrez <koon () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200503-35
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Smarty: Template vulnerability
      Date: March 30, 2005
      Bugs: #86488
        ID: 200503-35

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Synopsis
========

Smarty's "Template security" feature can be bypassed, potentially
allowing a remote attacker to execute arbitrary PHP code.

Background
==========

Smarty is a template engine for PHP. The "template security" feature of
Smarty is designed to help reduce the risk of a system compromise when
you have untrusted parties editing templates.

Affected packages
=================

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  dev-php/smarty       < 2.6.8                             >= 2.6.8

Description
===========

A vulnerability has been discovered within the regex_replace modifier
of the Smarty templates when allowing access to untrusted users.

Impact
======

This issue may allow a remote attacker to bypass the "template
security" feature of Smarty, and execute arbitrary PHP code.

Workaround
==========

Do not grant template access to untrusted users.

Resolution
==========

All Smarty users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-php/smarty-2.6.8"

References
==========

  [ 1 ] Smarty ChangeLog
        http://smarty.php.net/misc/NEWS

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200503-35.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security () gentoo org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0

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