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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <96ff3d43-d293-6c58-9bdc-5f6e6e3426df@gentoo.org>
Subject: [ GLSA 201802-06 ] LibreOffice: Information disclosure

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Gentoo Linux Security Advisory                           GLSA 201802-06
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: LibreOffice: Information disclosure
     Date: February 20, 2018
     Bugs: #647186
       ID: 201802-06

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Synopsis
========

A vulnerability in LibreOffice might allow remote attackers to read
arbitrary files.

Background
==========

LibreOffice is a powerful office suite; its clean interface and
powerful tools let you unleash your creativity and grow your
productivity.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-office/libreoffice      < 5.4.5.1                 >= 5.4.5.1
  2  app-office/libreoffice-bin
                                 < 5.4.5.1                 >= 5.4.5.1
    -------------------------------------------------------------------
     2 affected packages

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

It was discovered that missing restrictions in the implementation of
the WEBSERVICE function in LibreOffice could result in the disclosure
of arbitrary files.

Impact
======

A remote attacker could entice a user to open a specially crafted
document using LibreOffice, possibly resulting in the disclosure of
arbitrary files readable by the victim.

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-5.4.5.1"

All LibreOffice binary users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=app-office/libreoffice-bin-5.4.5.1"

References
==========

[ 1 ] CVE-2018-6871
      https://nvd.nist.gov/vuln/detail/CVE-2018-6871

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

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

 https://security.gentoo.org/glsa/201802-06

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 2018 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.

https://creativecommons.org/licenses/by-sa/2.5


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