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gentoo-overlay/metadata/glsa/glsa-201207-02.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201207-02">
<title>libxml2: User-assisted execution of arbitrary code</title>
<synopsis>A off-by-one error in libxml2 could result in execution of
arbitrary code or Denial of Service.
</synopsis>
<product type="ebuild">libxml2</product>
<announced>July 09, 2012</announced>
<revised>July 09, 2012: 1</revised>
<bug>416209</bug>
<access>remote</access>
<affected>
<package name="dev-libs/libxml2" auto="yes" arch="*">
<unaffected range="ge">2.8.0_rc1</unaffected>
<vulnerable range="lt">2.8.0_rc1</vulnerable>
</package>
</affected>
<background>
<p>libxml2 is the XML C parser and toolkit developed for the Gnome project.</p>
</background>
<description>
<p>The "xmlXPtrEvalXPtrPart()" function in xpointer.c contains an
off-by-one error.
</p>
</description>
<impact type="normal">
<p>A remote attacker could entice a user or automated system to open a
specially crafted XML document with an application using libxml2,
possibly resulting in execution of arbitrary code or a Denial of Service
condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libxml2 users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-libs/libxml2-2.8.0_rc1"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3102">CVE-2011-3102</uri>
</references>
<metadata timestamp="Tue, 29 May 2012 22:42:30 +0000" tag="requester">
underling
</metadata>
<metadata timestamp="Mon, 09 Jul 2012 22:09:24 +0000" tag="submitter">ackle</metadata>
</glsa>