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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <9363fc52-5b98-ae4c-40ad-7e9cbb10791b@gentoo.org>
Subject: [ GLSA 201701-14 ] LZO: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 201701-14
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: LZO: Multiple vulnerabilities
     Date: January 02, 2017
     Bugs: #515238
       ID: 201701-14

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Synopsis
========

An integer overflow in LZO might allow remote attackers to execute
arbitrary code or cause a Denial of Service condition.

Background
==========

LZO is an extremely fast compression and decompression library

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/lzo                  < 2.08                     >= 2.08

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

LZO is vulnerable to an integer overflow condition in the
"lzo1x_decompress_safe" function which could result in a possible
buffer overrun when processing maliciously crafted compressed input
data.

Impact
======

A remote attacker could send specially crafted compressed input data
possibly resulting in a Denial of Service condition or arbitrary code
execution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All LZO users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/lzo-2.08"

References
==========

[ 1 ] CVE-2014-4607
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-4607

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

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

 https://security.gentoo.org/glsa/201701-14

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 2017 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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