glsa-200502-02.xml


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

<glsa id="200502-02">
  <title>UW IMAP: CRAM-MD5 authentication bypass</title>
  <synopsis>
    UW IMAP contains a vulnerability in the code handling CRAM-MD5
    authentication allowing authentication bypass.
  </synopsis>
  <product type="ebuild">uw-imap</product>
  <announced>February 02, 2005</announced>
  <revised>May 22, 2006: 02</revised>
  <bug>79874</bug>
  <access>remote</access>
  <affected>
    <package name="net-mail/uw-imap" auto="yes" arch="*">
      <unaffected range="ge">2004b</unaffected>
      <vulnerable range="le">2004a</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    UW IMAP is the University of Washington IMAP toolkit which includes
    POP3 and IMAP daemons.
    </p>
  </background>
  <description>
    <p>
    A logic bug in the code handling CRAM-MD5 authentication incorrectly
    specifies the condition for successful authentication.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could exploit this vulnerability to authenticate as any
    mail user on a server with CRAM-MD5 authentication enabled.
    </p>
  </impact>
  <workaround>
    <p>
    Disable CRAM-MD5 authentication.
    </p>
  </workaround>
  <resolution>
    <p>
    All UW IMAP users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=net-mail/uw-imap-2004b&quot;</code>
  </resolution>
  <references>
    <uri link="http://www.kb.cert.org/vuls/id/702777">US-CERT VU#702777</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0198">CVE-2005-0198</uri>
  </references>
  <metadata tag="requester" timestamp="Mon, 31 Jan 2005 15:19:50 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Mon, 31 Jan 2005 21:25:45 +0000">
    jaervosz
  </metadata>
  <metadata tag="bugReady" timestamp="Tue,  1 Feb 2005 20:33:12 +0000">
    vorlon078
  </metadata>
</glsa>