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50 lines
1.6 KiB
50 lines
1.6 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201203-05">
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<title>Rack: Denial of Service</title>
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<synopsis>A hash collision vulnerability in Rack allows remote attackers to
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cause a Denial of Service condition.
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</synopsis>
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<product type="ebuild">rack</product>
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<announced>March 06, 2012</announced>
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<revised>March 06, 2012: 1</revised>
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<bug>396455</bug>
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<access>remote</access>
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<affected>
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<package name="dev-ruby/rack" auto="yes" arch="*">
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<unaffected range="ge">1.1.3</unaffected>
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<vulnerable range="lt">1.1.3</vulnerable>
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</package>
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</affected>
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<background>
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<p>Rack is a modular Ruby web server interface.</p>
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</background>
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<description>
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<p>Rack does not properly randomize hash functions to protect against hash
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collision attacks.
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</p>
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</description>
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<impact type="normal">
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<p>A remote attacker could send a specially crafted form post, possibly
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resulting in a Denial of Service condition.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All Rack users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=dev-ruby/rack-1.1.3"
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</code>
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</resolution>
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<references>
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<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-5036">CVE-2011-5036</uri>
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</references>
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<metadata timestamp="Sun, 04 Mar 2012 21:22:25 +0000" tag="requester">ackle</metadata>
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<metadata timestamp="Tue, 06 Mar 2012 01:05:34 +0000" tag="submitter">ackle</metadata>
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</glsa>
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