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[ GLSA 201201-10 ] JasPer: User-assisted execution of arbitrary code
From: Sean Amoss <ackle () gentoo org>
Date: Mon, 23 Jan 2012 15:14:14 -0500

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Gentoo Linux Security Advisory                           GLSA 201201-10
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: JasPer: User-assisted execution of arbitrary code
     Date: January 23, 2012
     Bugs: #394879
       ID: 201201-10

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Synopsis
========

Multiple memory management errors in JasPer could result in execution
of arbitrary code or a Denial of Service.

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-r4            >= 1.900.1-r4

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

Two vulnerabilities have been found in JasPer:

* The jpc_cox_getcompparms function in libjasper/jpc/jpc_cs.c contains
  an error that could overwrite certain callback pointers, possibly
  causing a heap-based buffer overflow (CVE-2011-4516).
* The jpc_crg_getparms function in libjasper/jpc/jpc_cs.c uses an
  incorrect data type, possibly causing a heap-based buffer overflow
  (CVE-2011-4517).

Impact
======

A remote attacker could entice a user or automated system to process
specially crafted JPEG-2000 files with an application using JasPer,
possibly resulting in the execution of arbitrary code with the
privileges of the application, or a Denial of Service.

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-r4"

References
==========

[ 1 ] CVE-2011-4516
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4516
[ 2 ] CVE-2011-4517
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4517

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

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

 http://security.gentoo.org/glsa/glsa-201201-10.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 2012 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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