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Gentoo Linux Security Advisory 200812-18

Gentoo Linux Security Advisory 200812-18
Posted Dec 16, 2008
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200812-18 - Multiple memory management errors in JasPer might lead to execution of arbitrary code via jpeg2k files. Versions less than 1.900.1-r3 are affected.

tags | advisory, arbitrary
systems | linux, gentoo
advisories | CVE-2008-3520, CVE-2008-3522
SHA-256 | 4d57aebd7f1e7f3c83b382b57ad902e73ac27115f7b4c7d96b63d1bae4385111

Gentoo Linux Security Advisory 200812-18

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Gentoo Linux Security Advisory GLSA 200812-18
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http://security.gentoo.org/
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Severity: Normal
Title: JasPer: User-assisted execution of arbitrary code
Date: December 16, 2008
Bugs: #222819
ID: 200812-18

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Synopsis
========

Multiple memory management errors in JasPer might lead to execution of
arbitrary code via jpeg2k files.

Background
==========

The JasPer Project is an open-source initiative to provide a free
software-based reference implementation of the codec specified in the
JPEG-2000 Part-1 (jpeg2k) standard.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/jasper < 1.900.1-r3 >= 1.900.1-r3

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

Marc Espie and Christian Weisgerber have discovered multiple
vulnerabilities in JasPer:

* Multiple integer overflows might allow for insufficient memory
allocation, leading to heap-based buffer overflows (CVE-2008-3520).

* The jas_stream_printf() function in libjasper/base/jas_stream.c
uses vsprintf() to write user-provided data to a static to a buffer,
leading to an overflow (CVE-2008-3522).

Impact
======

Remote attackers could entice a user or automated system to process
specially crafted jpeg2k files with an application using JasPer,
possibly leading to the execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All JasPer users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/jasper-1.900.1-r3"

References
==========

[ 1 ] CVE-2008-3520
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3520
[ 2 ] CVE-2008-3522
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3522

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

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

http://security.gentoo.org/glsa/glsa-200812-18.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 2008 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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