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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200704-14">
<title>FreeRADIUS: Denial of Service</title>
<synopsis>
A memory leak has been discovered in FreeRADIUS, possibly allowing for a
Denial of Service.
</synopsis>
<product type="ebuild">FreeRADIUS</product>
<announced>April 17, 2007</announced>
<revised>April 17, 2007: 01</revised>
<bug>174292</bug>
<access>remote</access>
<affected>
<package name="net-dialup/freeradius" auto="yes" arch="*">
<unaffected range="ge">1.1.6</unaffected>
<vulnerable range="lt">1.1.6</vulnerable>
</package>
</affected>
<background>
<p>
FreeRADIUS is an open source RADIUS authentication server
implementation.
</p>
</background>
<description>
<p>
The Coverity Scan project has discovered a memory leak within the
handling of certain malformed Diameter format values inside an EAP-TTLS
tunnel.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could send a large amount of specially crafted
packets to a FreeRADIUS server using EAP-TTLS authentication and
exhaust all memory, possibly resulting in a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All FreeRADIUS users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-dialup/freeradius-1.1.6&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2028">CVE-2007-2028</uri>
</references>
<metadata tag="requester" timestamp="Fri, 13 Apr 2007 07:08:42 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Fri, 13 Apr 2007 11:53:35 +0000">
p-y
</metadata>
<metadata tag="bugReady" timestamp="Fri, 13 Apr 2007 12:22:49 +0000">
p-y
</metadata>
</glsa>