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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