68 lines
2.3 KiB
XML
68 lines
2.3 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<?xml-stylesheet type="text/xsl" href="/xsl/glsa.xsl"?>
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<?xml-stylesheet type="text/xsl" href="/xsl/guide.xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201207-04">
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<title>X.Org X Server: Privilege escalation</title>
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<synopsis>A format string vulnerability in X.Org X Server may allow local
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privilege escalation or Denial of Service.
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</synopsis>
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<product type="ebuild">xorg-server</product>
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<announced>July 09, 2012</announced>
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<revised>July 09, 2012: 1</revised>
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<bug>412609</bug>
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<access>local</access>
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<affected>
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<package name="x11-base/xorg-server" auto="yes" arch="*">
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<unaffected range="ge">1.11.4-r1</unaffected>
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<unaffected range="rge">1.10.6-r1</unaffected>
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<unaffected range="rle">1.9.5-r1</unaffected>
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<vulnerable range="lt">1.11.4-r1</vulnerable>
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</package>
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</affected>
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<background>
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<p>The X Window System is a graphical windowing system based on a
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client/server model.
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</p>
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</background>
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<description>
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<p>The "LogVHdrMessageVerb()" function in log.c contains a format string
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vulnerability.
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</p>
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<p>NOTE: Exposure to this vulnerability is reduced in Gentoo due to X.Org X
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Server being built with "-D_FORTIFY_SOURCE=2" by default.
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</p>
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</description>
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<impact type="high">
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<p>A local attacker could gain escalated privileges or cause a Denial of
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Service condition.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All X.Org X Server 1.11.x users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.11.4-r1"
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</code>
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<p>All X.Org X Server 1.10.x users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=x11-base/xorg-server-1.10.6-r1"
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</code>
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<p>X.Org X Server 1.9.x is not affected.</p>
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</resolution>
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<references>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2118">CVE-2012-2118</uri>
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</references>
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<metadata timestamp="Sat, 02 Jun 2012 13:03:57 +0000" tag="requester">ackle</metadata>
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<metadata timestamp="Mon, 09 Jul 2012 22:21:08 +0000" tag="submitter">ackle</metadata>
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</glsa>
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