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Gentoo Linux Security Advisory                           GLSA 202010-03
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: libjpeg-turbo: Information disclosure
     Date: October 20, 2020
     Bugs: #727010
       ID: 202010-03

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Synopsis
========

An information disclosure vulnerability in libjpeg-turbo allow remote
attackers to obtain sensitive information.

Background
==========

libjpeg-turbo is a MMX, SSE, and SSE2 SIMD accelerated JPEG library.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-libs/libjpeg-turbo
                                 < 2.0.4-r1         >= 1.5.3-r3:0/0.1
                                                    >= 2.0.4-r1:0/0.2

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

It was discovered that libjpeg-turbo incorrectly handled certain PPM
files.

Impact
======

A remote attacker could entice a user to open a specially crafted PPM
file using an application linked against libjpeg-turbo, possibly
allowing attacker to obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libjpeg-turbo 1.x users should upgrade to the latest version:

  # emerge --sync
  # emerge -a --oneshot -v ">=media-libs/libjpeg-turbo-1.5.3-r3:0/0.1"

All libjpeg-turbo 2.x users should upgrade to the latest version:

  # emerge --sync
  # emerge -a --oneshot -v ">=media-libs/libjpeg-turbo-2.0.4-r1:0/0.2"

References
==========

[ 1 ] CVE-2020-13790
      https://nvd.nist.gov/vuln/detail/CVE-2020-13790

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

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

 https://security.gentoo.org/glsa/202010-03

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 2020 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