glsa-200906-02.xml


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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>2009-06-28</announced>
  <revised count="01">2009-06-28</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 "&gt;=dev-lang/ruby-1.8.6_p369"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1904">CVE-2009-1904</uri>
  </references>
  <metadata tag="submitter" timestamp="2009-06-21T14:29:50Z">
    a3li
  </metadata>
  <metadata tag="bugReady" timestamp="2009-06-28T21:32:27Z">
    a3li
  </metadata>
</glsa>