GLSA 200709-08 id3lib: Insecure temporary file creation
Posted on: 09/15/2007 07:00 PM

A new security update has been released for Gentoo Linux - id3lib: Insecure temporary file creation. Here the announcement:

Gentoo Linux Security Advisory GLSA 200709-08
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http://security.gentoo.org/
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Severity: Normal
Title: id3lib: Insecure temporary file creation
Date: September 15, 2007
Bugs: #189610
ID: 200709-08

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Synopsis
========

A vulnerability has been discovered in id3lib allowing local users to
overwrite arbitrary files via a symlink attack.

Background
==========

id3lib is an open-source, cross-platform software development library
for reading, writing, and manipulating ID3v1 and ID3v2 tags.

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

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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/id3lib lt; 3.8.3-r6 gt;= 3.8.3-r6

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

Nikolaus Schulz discovered that the function RenderV2ToFile() in file
src/tag_file.cpp creates temporary files in an insecure manner.

Impact
======

A local attacker could exploit this vulnerability via a symlink attack
to overwrite arbitrary files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All id3lib users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "gt;=media-libs/id3lib-3.8.3-r6"

References
==========

[ 1 ] CVE-2007-4460
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4460

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

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

http://security.gentoo.org/glsa/glsa-200709-08.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 2007 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/2.5



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