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<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="/xsl/glsa.xsl"?>
<?xml-stylesheet type="text/xsl" href="/xsl/guide.xsl"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201207-03">
<title>ChaSen: User-assisted execution of arbitrary code</title>
<synopsis>A buffer overflow vulnerability in ChaSen could result in the
execution of arbitrary code.
</synopsis>
<product type="ebuild">ChaSen</product>
<announced>July 09, 2012</announced>
<revised>July 09, 2012: 1</revised>
<bug>390769</bug>
<access>remote</access>
<affected>
<package name="app-text/chasen" auto="yes" arch="*">
<unaffected range="ge">2.4.4-r2</unaffected>
<vulnerable range="lt">2.4.4-r2</vulnerable>
</package>
</affected>
<background>
<p>ChaSen is a Japanese morphological analysis system.</p>
</background>
<description>
<p>An error in chalib.c of ChaSen could cause a buffer overflow.</p>
</description>
<impact type="normal">
<p>A remote attacker could entice a user to open a specially crafted text
file using ChaSen or an application using the ChaSen libraries, possibly
resulting in execution of arbitrary code with the privileges of the
process or a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All ChaSen users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/chasen-2.4.4-r2"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4000">CVE-2011-4000</uri>
</references>
<metadata timestamp="Sun, 15 Apr 2012 23:16:56 +0000" tag="requester">ackle</metadata>
<metadata timestamp="Mon, 09 Jul 2012 22:20:31 +0000" tag="submitter">ackle</metadata>
</glsa>
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