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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200906-02">
<title>Ruby: Denial of Service</title>
<synopsis>
A flaw in the Ruby standard library might allow remote attackers to cause a
Denial of Service attack.
</synopsis>
<product type="ebuild">ruby</product>
<announced>June 28, 2009</announced>
<revised>June 28, 2009: 01</revised>
<bug>273213</bug>
<access>remote</access>
<affected>
<package name="dev-lang/ruby" auto="yes" arch="*">
<unaffected range="ge">1.8.6_p369</unaffected>
<vulnerable range="lt">1.8.6_p369</vulnerable>
</package>
</affected>
<background>
<p>
Ruby is an interpreted object-oriented programming language. The
elaborate standard library includes the "BigDecimal" class.
</p>
</background>
<description>
<p>
Tadayoshi Funaba reported that BigDecimal in
ext/bigdecimal/bigdecimal.c does not properly handle string arguments
containing overly long numbers.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could exploit this issue to remotely cause a Denial
of Service attack.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Ruby users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/ruby-1.8.6_p369&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1904">CVE-2009-1904</uri>
</references>
<metadata tag="submitter" timestamp="Sun, 21 Jun 2009 14:29:50 +0000">
a3li
</metadata>
<metadata tag="bugReady" timestamp="Sun, 28 Jun 2009 21:32:27 +0000">
a3li
</metadata>
</glsa>