GLSA 201701-64: X.Org X Server: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	X.Org X Server: Multiple vulnerabilities
Date:	01/25/2017
Bugs:	#493294, #548002, #551680
ID:	201701-64

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	Architecture(s)
x11-base/xorg-server	< 1.18.4	>= 1.18.4	All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-64.xml

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.