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gentoo-overlay/metadata/glsa/glsa-201203-05.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201203-05">
<title>Rack: Denial of Service</title>
<synopsis>A hash collision vulnerability in Rack allows remote attackers to
cause a Denial of Service condition.
</synopsis>
<product type="ebuild">rack</product>
<announced>2012-03-06</announced>
<revised count="1">2012-03-06</revised>
<bug>396455</bug>
<access>remote</access>
<affected>
<package name="dev-ruby/rack" auto="yes" arch="*">
<unaffected range="ge">1.1.3</unaffected>
<vulnerable range="lt">1.1.3</vulnerable>
</package>
</affected>
<background>
<p>Rack is a modular Ruby web server interface.</p>
</background>
<description>
<p>Rack does not properly randomize hash functions to protect against hash
collision attacks.
</p>
</description>
<impact type="normal">
<p>A remote attacker could send a specially crafted form post, possibly
resulting in a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All Rack users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-ruby/rack-1.1.3"
</code>
</resolution>
<references>
<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-5036">CVE-2011-5036</uri>
</references>
<metadata timestamp="2012-03-04T21:22:25Z" tag="requester">ackle</metadata>
<metadata timestamp="2012-03-06T01:05:34Z" tag="submitter">ackle</metadata>
</glsa>