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Diffstat (limited to 'glsa-200710-16.xml')
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diff --git a/glsa-200710-16.xml b/glsa-200710-16.xml new file mode 100644 index 00000000..0b128228 --- /dev/null +++ b/glsa-200710-16.xml @@ -0,0 +1,71 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200710-16"> + <title>X.Org X server: Composite local privilege escalation</title> + <synopsis> + A vulnerability has been discovered in the Composite extension of the X.Org + X server, allowing for a local privilege escalation. + </synopsis> + <product type="ebuild">X.Org</product> + <announced>October 14, 2007</announced> + <revised>October 14, 2007: 01</revised> + <bug>191964</bug> + <access>local</access> + <affected> + <package name="x11-base/xorg-server" auto="yes" arch="*"> + <unaffected range="ge">1.3.0.0-r1</unaffected> + <vulnerable range="lt">1.3.0.0-r1</vulnerable> + </package> + </affected> + <background> + <p> + The X Window System is a graphical windowing system based on a + client/server model. + </p> + </background> + <description> + <p> + Aaron Plattner discovered a buffer overflow in the compNewPixmap() + function when copying data from a large pixel depth pixmap into a + smaller pixel depth pixmap. + </p> + </description> + <impact type="high"> + <p> + A local attacker could execute arbitrary code with the privileges of + the user running the X server, typically root. + </p> + </impact> + <workaround> + <p> + Disable the Composite extension by setting ' Option "Composite" + "disable" ' in the Extensions section of xorg.conf. + </p> + <p> + Note: This could affect the functionality of some applications. + </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-1.3.0.0-r1"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4730">CVE-2007-4730</uri> + </references> + <metadata tag="requester" timestamp="Tue, 02 Oct 2007 20:35:12 +0000"> + p-y + </metadata> + <metadata tag="bugReady" timestamp="Tue, 02 Oct 2007 20:35:33 +0000"> + p-y + </metadata> + <metadata tag="submitter" timestamp="Mon, 08 Oct 2007 00:30:05 +0000"> + rbu + </metadata> +</glsa> |