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Gentoo Linux Security Advisory GLSA 201401-10
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http://security.gentoo.org/
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Severity: Normal
Title: libexif, exif: Multiple vulnerabilities
Date: January 19, 2014
Bugs: #426366
ID: 201401-10

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Synopsis
========

Multiple vulnerabilities have been found in libexif and exif, some of
which may allow execution of arbitrary code.

Background
==========

libexif is a library for parsing, editing and saving Exif metadata from
images. exif is a small command line interface for libexif.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 media-libs/libexif < 0.6.21 >= 0.6.21
2 media-gfx/exif < 0.6.21 >= 0.6.21
——————————————————————-
2 affected packages

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

Multiple vulnerabilities have been discovered in libexif and exif.
Please review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user to open a specially crafted image
file using exif or an application linked against libexif, possibly
resulting in execution of arbitrary code with the privileges of the
process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libexif users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-libs/libexif-0.6.21”

Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these
packages.

All exif users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-gfx/exif-0.6.21”

References
==========

[ 1 ] CVE-2012-2812
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2812
[ 2 ] CVE-2012-2813
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2813
[ 3 ] CVE-2012-2814
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2814
[ 4 ] CVE-2012-2836
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2836
[ 5 ] CVE-2012-2837
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2837
[ 6 ] CVE-2012-2840
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2840
[ 7 ] CVE-2012-2841
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2841
[ 8 ] CVE-2012-2845
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2845

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

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

http://security.gentoo.org/glsa/glsa-201401-10.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
https://bugs.gentoo.org.

License
=======

Copyright 2014 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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