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Gentoo Linux Security Advisory 201701-64

Gentoo Linux Security Advisory 201701-64
Posted Jan 25, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-64 - Multiple vulnerabilities have been found in X.Org X Server, the worst of which may allow authenticated attackers to read from or send information to arbitrary X11 clients. Versions less than 1.18.4 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2013-6424, CVE-2015-3164, CVE-2015-3418
SHA-256 | 73e2e4f1303187d367e8f18e99cdc9c6afef497aaa8fe6fed6db24b7ecf4f370

Gentoo Linux Security Advisory 201701-64

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201701-64
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https://security.gentoo.org/
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Severity: Normal
Title: X.Org X Server: Multiple vulnerabilities
Date: January 25, 2017
Bugs: #493294, #548002, #551680
ID: 201701-64

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Synopsis
========

Multiple vulnerabilities have been found in X.Org X Server, the worst
of which may allow authenticated attackers to read from or send
information to arbitrary X11 clients.

Background
==========

The X Window System is a graphical windowing system based on a
client/server model.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-base/xorg-server < 1.18.4 >= 1.18.4

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

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

Impact
======

An authenticated attacker could possibly cause a Denial of Service
condition or read from or send information to arbitrary X11 clients.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.18.4"

References
==========

[ 1 ] CVE-2013-6424
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6424
[ 2 ] CVE-2015-3164
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3164
[ 3 ] CVE-2015-3418
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3418
[ 4 ] X.Org/Wayland Security Advisory: Missing authentication in
XWayland
https://lists.x.org/archives/xorg-announce/2015-June/002611.html

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

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

https://security.gentoo.org/glsa/201701-64

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


--6Ra6mqNTg3B7AjuwcjJBDpftFl7PnCDFt--

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