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Gentoo Linux Security Advisory GLSA 202012-01
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https://security.gentoo.org/
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Severity: Normal
Title: X.Org X Server: Multiple vulnerabilities
Date: December 07, 2020
Bugs: #734976, #757882
ID: 202012-01
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Synopsis
========
Multiple vulnerabilities have been found in X.org X Server, the worst
of which could lead to privilege escalation.
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 < 1.20.10 >= 1.20.10
Description
===========
Multiple vulnerabilities have been discovered in X.org X Server. Please
review the CVE identifiers referenced below for details.
Impact
======
Please review the referenced CVE identifiers for details.
Workaround
==========
A local attacker could escalate privileges.
Resolution
==========
All X.org X Server users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=11-base/xorg-server-1.20.10”
References
==========
[ 1 ] CVE-2020-14345
https://nvd.nist.gov/vuln/detail/CVE-2020-14345
[ 2 ] CVE-2020-14346
https://nvd.nist.gov/vuln/detail/CVE-2020-14346
[ 3 ] CVE-2020-14347
https://nvd.nist.gov/vuln/detail/CVE-2020-14347
[ 4 ] CVE-2020-14360
https://nvd.nist.gov/vuln/detail/CVE-2020-14360
[ 5 ] CVE-2020-14361
https://nvd.nist.gov/vuln/detail/CVE-2020-14361
[ 6 ] CVE-2020-14362
https://nvd.nist.gov/vuln/detail/CVE-2020-14362
[ 7 ] CVE-2020-25712
https://nvd.nist.gov/vuln/detail/CVE-2020-25712
[ 8 ] Upstream advisory (2020-07-31)
https://lists.x.org/archives/xorg-announce/2020-July/003051.html
[ 9 ] Upstream advisory (2020-08-25)
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
[ 10 ] Upstream advisory (2020-12-01)
https://lists.x.org/archives/xorg-announce/2020-December/003066.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202012-01
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 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
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