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[gentoo-announce] [ GLSA 200709-08 ] id3lib: Insecure temporary file creation

Posted on 15 September 2007
Gentoo-announce

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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
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/id3lib < 3.8.3-r6 >= 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 ">=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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