GLSA 200506-21: Trac: File upload vulnerability

A Trac security update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200506-21
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http://security.gentoo.org/
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Severity: Normal
Title: Trac: File upload vulnerability
Date: June 22, 2005
Bugs: #96572
ID: 200506-21

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Synopsis
=======

Trac may allow remote attackers to upload files, possibly leading to the execution of arbitrary code.

Background
=========

Trac is a minimalistic web-based project management, wiki and bug tracking system including a Subversion interface.

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

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Package / Vulnerable / Unaffected
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1 www-apps/trac lt; 0.8.4 gt;= 0.8.4

Description
==========

Stefan Esser of the Hardened-PHP project discovered that Trac fails to validate the "id" parameter when uploading attachments to the wiki or the bug tracking system.

Impact
=====

A remote attacker could exploit the vulnerability to upload arbitrary files to a directory where the webserver has write access to, possibly leading to the execution of arbitrary code.

Workaround
=========

There is no known workaround at this time.

Resolution
=========

All Trac users should upgrade to the latest available version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=www-apps/trac-0.8.4"

References
=========

[ 1 ] Hardened PHP Advisory 012005
http://www.hardened-php.net/advisory-012005.php

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

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

http://security.gentoo.org/glsa/glsa-200506-21.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