glsa-200604-09.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">

<glsa id="200604-09">
  <title>Cyrus-SASL: DIGEST-MD5 Pre-Authentication Denial of Service</title>
  <synopsis>
    Cyrus-SASL contains a vulnerability in the DIGEST-MD5 process that could
    lead to a Denial of Service.
  </synopsis>
  <product type="ebuild">cyrus-sasl</product>
  <announced>April 21, 2006</announced>
  <revised>April 21, 2006: 01</revised>
  <bug>129523</bug>
  <access>remote</access>
  <affected>
    <package name="dev-libs/cyrus-sasl" auto="yes" arch="*">
      <unaffected range="ge">2.1.21-r2</unaffected>
      <vulnerable range="lt">2.1.21-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Cyrus-SASL is an implementation of the Simple Authentication and
    Security Layer.
    </p>
  </background>
  <description>
    <p>
    Cyrus-SASL contains an unspecified vulnerability in the DIGEST-MD5
    process that could lead to a Denial of Service.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could possibly exploit this vulnerability by sending
    specially crafted data stream to the Cyrus-SASL server, resulting in a
    Denial of Service even if the attacker is not able to authenticate.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Cyrus-SASL users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/cyrus-sasl-2.1.21-r2&quot;</code>
  </resolution>
  <references>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1721">CVE-2006-1721</uri>
  </references>
  <metadata tag="requester" timestamp="Sat, 15 Apr 2006 12:54:10 +0000">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="Mon, 17 Apr 2006 16:43:15 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Thu, 20 Apr 2006 16:06:22 +0000">
    jaervosz
  </metadata>
</glsa>