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Gentoo Linux Security Advisory                           GLSA 201209-05
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: LibreOffice: Multiple vulnerabilities
     Date: September 24, 2012
     Bugs: #386081, #409455, #416457, #429482
       ID: 201209-05

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Synopsis
========

Multiple vulnerabilities have been found in LibreOffice, allowing
remote attackers to execute arbitrary code or cause a Denial of
Service.

Background
==========

LibreOffice is a full office productivity suite.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-office/libreoffice      < 3.5.5.3                 >= 3.5.5.3
  2  app-office/libreoffice-bin
                                 < 3.5.5.3                 >= 3.5.5.3
    -------------------------------------------------------------------
     2 affected packages

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

Multiple vulnerabilities have been found in LibreOffice:

* The Microsoft Word Document parser contains an out-of-bounds read
  error (CVE-2011-2713).
* The Raptor RDF parser contains an XML External Entity expansion error
  (CVE-2012-0037).
* The graphic loading parser contains an integer overflow error which
  could cause a heap-based buffer overflow (CVE-2012-1149).
* Multiple errors in the XML manifest handling code could cause a
  heap-based buffer overflow (CVE-2012-2665).

Impact
======

A remote attacker could entice a user to open a specially crafted
document file using LibreOffice, 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 LibreOffice users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=app-office/libreoffice-3.5.5.3"

All users of the LibreOffice binary package should upgrade to the
latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-office/libreoffice-bin-3.5.5.3"

References
==========

[ 1 ] CVE-2011-2713
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2713
[ 2 ] CVE-2012-0037
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0037
[ 3 ] CVE-2012-1149
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-1149
[ 4 ] CVE-2012-2665
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2665

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

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

 http://security.gentoo.org/glsa/glsa-201209-05.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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