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gentoo-overlay/metadata/glsa/glsa-200909-02.xml

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<?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="200909-02">
<title>libvorbis: User-assisted execution of arbitrary code</title>
<synopsis>
A processing error in libvorbis might result in the execution of arbitrary
code or a Denial of Service.
</synopsis>
<product type="ebuild">libvorbis</product>
<announced>September 07, 2009</announced>
<revised>September 07, 2009: 01</revised>
<bug>280590</bug>
<access>remote</access>
<affected>
<package name="media-libs/libvorbis" auto="yes" arch="*">
<unaffected range="ge">1.2.3</unaffected>
<vulnerable range="lt">1.2.3</vulnerable>
</package>
</affected>
<background>
<p>
libvorbis is the reference implementation of the Xiph.org Ogg Vorbis
audio file format. It is used by many applications for playback of Ogg
Vorbis files.
</p>
</background>
<description>
<p>
Lucas Adamski reported that libvorbis does not correctly process file
headers, related to static mode headers and encoding books.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could entice a user to play a specially crafted OGG
Vorbis file using an application that uses libvorbis, possibly
resulting in the execution of arbitrary code with the privileges of the
user running the application, or a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All libvorbis users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-libs/libvorbis-1.2.3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2663">CVE-2009-2663</uri>
</references>
<metadata tag="requester" timestamp="Mon, 31 Aug 2009 02:17:32 +0000">
a3li
</metadata>
<metadata tag="submitter" timestamp="Mon, 31 Aug 2009 02:42:12 +0000">
a3li
</metadata>
<metadata tag="bugReady" timestamp="Mon, 31 Aug 2009 03:38:56 +0000">
a3li
</metadata>
</glsa>