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49 lines
1.6 KiB
49 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="201207-06">
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<title>JRuby: Denial of Service</title>
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<synopsis>A hash collision vulnerability in JRuby 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">jruby</product>
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<announced>2012-07-09</announced>
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<revised count="1">2012-07-09</revised>
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<bug>396305</bug>
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<access>remote</access>
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<affected>
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<package name="dev-java/jruby" auto="yes" arch="*">
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<unaffected range="ge">1.6.5.1</unaffected>
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<vulnerable range="lt">1.6.5.1</vulnerable>
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</package>
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</affected>
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<background>
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<p>JRuby is a Java-based Ruby interpreter implementation.</p>
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</background>
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<description>
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<p>JRuby 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 input, 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 JRuby 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-java/jruby-1.6.5.1"
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</code>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4838">CVE-2011-4838</uri>
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</references>
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<metadata timestamp="2012-06-11T19:25:16Z" tag="requester">ackle</metadata>
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<metadata timestamp="2012-07-09T22:35:40Z" tag="submitter">ackle</metadata>
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</glsa>
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