<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201701-64"> <title>X.Org X Server: Multiple vulnerabilities</title> <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. </synopsis> <product type="ebuild">xorg-server</product> <announced>2017-01-25</announced> <revised count="1">2017-01-25</revised> <bug>493294</bug> <bug>548002</bug> <bug>551680</bug> <access>remote</access> <affected> <package name="x11-base/xorg-server" auto="yes" arch="*"> <unaffected range="ge">1.18.4</unaffected> <vulnerable range="lt">1.18.4</vulnerable> </package> </affected> <background> <p>The X Window System is a graphical windowing system based on a client/server model. </p> </background> <description> <p>Multiple vulnerabilities have been discovered in X.Org X Server. Please review the CVE identifiers referenced below for details. </p> </description> <impact type="normal"> <p>An authenticated attacker could possibly cause a Denial of Service condition or read from or send information to arbitrary X11 clients. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All X.Org X Server users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.18.4" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6424">CVE-2013-6424</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3164">CVE-2015-3164</uri> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3418">CVE-2015-3418</uri> <uri link="https://lists.x.org/archives/xorg-announce/2015-June/002611.html"> X.Org/Wayland Security Advisory: Missing authentication in XWayland </uri> </references> <metadata tag="requester" timestamp="2015-07-16T14:04:33Z">BlueKnight</metadata> <metadata tag="submitter" timestamp="2017-01-25T12:57:10Z">whissi</metadata> </glsa>