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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200611-12">
<title>Ruby: Denial of Service vulnerability</title>
<synopsis>
The Ruby cgi.rb CGI library is vulnerable to a Denial of Service attack.
</synopsis>
<product type="ebuild">ruby</product>
<announced>November 20, 2006</announced>
<revised>June 11, 2009: 02</revised>
<bug>153497</bug>
<access>remote</access>
<affected>
<package name="dev-lang/ruby" auto="yes" arch="*">
<unaffected range="ge">1.8.5-r3</unaffected>
<vulnerable range="lt">1.8.5-r3</vulnerable>
</package>
</affected>
<background>
<p>
Ruby is a dynamic, open source programming language with a focus on
simplicity and productivity.
</p>
</background>
<description>
<p>
Zed Shaw, Jeremy Kemper, and Jamis Buck of the Mongrel project reported
that the CGI library shipped with Ruby is vulnerable to a remote Denial
of Service by an unauthenticated user.
</p>
</description>
<impact type="normal">
<p>
The vulnerability can be exploited by sending the cgi.rb library an
HTTP request with multipart MIME encoding that contains a malformed
MIME boundary specifier beginning with "-" instead of "--". Successful
exploitation of the vulnerability causes the library to go into an
infinite loop waiting for additional nonexistent input.
</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-1.8.5-r3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5467">CVE-2006-5467</uri>
</references>
<metadata tag="submitter" timestamp="Fri, 10 Nov 2006 13:03:41 +0000">
aetius
</metadata>
<metadata tag="bugReady" timestamp="Wed, 15 Nov 2006 21:17:28 +0000">
vorlon
</metadata>
</glsa>