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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200708-02">
<title>Xvid: Array indexing vulnerabilities</title>
<synopsis>
Several array indexing vulnerabilities were discovered in Xvid, possibly
allowing for the remote execution of arbitrary code.
</synopsis>
<product type="ebuild">xvid</product>
<announced>August 08, 2007</announced>
<revised>August 08, 2007: 01</revised>
<bug>183145</bug>
<access>remote</access>
<affected>
<package name="media-libs/xvid" auto="yes" arch="*">
<unaffected range="ge">1.1.3</unaffected>
<vulnerable range="lt">1.1.3</vulnerable>
</package>
</affected>
<background>
<p>
Xvid is a popular open source video codec licensed under the GPL.
</p>
</background>
<description>
<p>
Trixter Jack discovered an array indexing error in the
get_intra_block() function in the file src/bitstream/mbcoding.c. The
get_inter_block_h263() and get_inter_block_mpeg() functions in the same
file were also reported as vulnerable.
</p>
</description>
<impact type="normal">
<p>
An attacker could exploit these vulnerabilities to execute arbitrary
code by tricking a user or automated system into processing a malicious
video file with an application that makes use of the Xvid library.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Xvid users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=media-libs/xvid-1.1.3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3329">CVE-2007-3329</uri>
</references>
<metadata tag="requester" timestamp="Sat, 14 Jul 2007 21:54:33 +0000">
p-y
</metadata>
<metadata tag="submitter" timestamp="Sun, 15 Jul 2007 18:56:27 +0000">
DerCorny
</metadata>
<metadata tag="bugReady" timestamp="Mon, 16 Jul 2007 07:58:51 +0000">
p-y
</metadata>
</glsa>