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Gentoo Linux Security Advisory GLSA 201811-01
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https://security.gentoo.org/
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Severity: Normal
Title: X.Org X11 library: Multiple vulnerabilities
Date: November 09, 2018
Bugs: #664184
ID: 201811-01

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Synopsis
========

Multiple vulnerabilities have been found in X.Org X11 library, the
worst of which could allow for remote code execution.

Background
==========

X.Org is an implementation of the X Window System. The X.Org X11
library provides the X11 protocol library files.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 x11-libs/libX11 < 1.6.6 >= 1.6.6

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

Multiple vulnerabilities have been discovered in X.Org X11 library.
Please review the CVE identifiers referenced below for details.

Impact
======

A remote attacker, by enticing a user to connect to a malicious server,
could cause the execution of arbitrary code with the privileges of the
process, or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All X.Org X11 library users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=x11-libs/libX11-1.6.6”

References
==========

[ 1 ] CVE-2018-14598
https://nvd.nist.gov/vuln/detail/CVE-2018-14598
[ 2 ] CVE-2018-14599
https://nvd.nist.gov/vuln/detail/CVE-2018-14599
[ 3 ] CVE-2018-14600
https://nvd.nist.gov/vuln/detail/CVE-2018-14600

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

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

https://security.gentoo.org/glsa/201811-01

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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