glsa-200506-24.xml


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

<glsa id="200506-24">
  <title>Heimdal: Buffer overflow vulnerabilities</title>
  <synopsis>
    Multiple buffer overflow vulnerabilities in Heimdal's telnetd server could
    allow the execution of arbitrary code.
  </synopsis>
  <product type="ebuild">heimdal</product>
  <announced>June 29, 2005</announced>
  <revised>June 29, 2005: 01</revised>
  <bug>96727</bug>
  <access>remote</access>
  <affected>
    <package name="app-crypt/heimdal" auto="yes" arch="*">
      <unaffected range="ge">0.6.5</unaffected>
      <vulnerable range="lt">0.6.5</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Heimdal is a free implementation of Kerberos 5 that includes a
    telnetd server.
    </p>
  </background>
  <description>
    <p>
    It has been reported that the "getterminaltype" function of
    Heimdal's telnetd server is vulnerable to buffer overflows.
    </p>
  </description>
  <impact type="high">
    <p>
    An attacker could exploit this vulnerability to execute arbitrary
    code with the permission of the telnetd server program.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All users should upgrade to the latest available version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose &quot;&gt;=app-crypt/heimdal-0.6.5&quot;</code>
  </resolution>
  <references>
    <uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2040">CAN-2005-2040</uri>
    <uri link="http://www.pdc.kth.se/heimdal/advisory/2005-06-20/">Heimdal Advisory 2005-06-20</uri>
  </references>
  <metadata tag="requester" timestamp="Thu, 23 Jun 2005 11:06:31 +0000">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="Thu, 23 Jun 2005 12:58:46 +0000">
    DerCorny
  </metadata>
  <metadata tag="bugReady" timestamp="Wed, 29 Jun 2005 07:29:29 +0000">
    koon
  </metadata>
</glsa>