metadata/glsa/glsa-200608-06.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200608-06">
  <title>Courier MTA: Denial of Service vulnerability</title>
  <synopsis>
    Courier MTA has fixed a DoS issue related to usernames containing a "="
    character.
  </synopsis>
  <product type="ebuild">Courier</product>
  <announced>2006-08-04</announced>
  <revised>2006-08-04: 01</revised>
  <bug>135005</bug>
  <access>remote</access>
  <affected>
    <package name="mail-mta/courier" auto="yes" arch="*">
      <unaffected range="ge">0.53.2</unaffected>
      <vulnerable range="lt">0.53.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Courier MTA is an integrated mail and groupware server based on open
    protocols.
    </p>
  </background>
  <description>
    <p>
    Courier MTA has fixed a security issue relating to usernames containing
    the "=" character, causing high CPU utilization.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could exploit this vulnerability by sending a specially
    crafted email to a mail gateway running a vulnerable version of Courier
    MTA.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Courier MTA users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=mail-mta/courier-0.53.2"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2659">CVE-2006-2659</uri>
  </references>
  <metadata tag="requester" timestamp="2006-08-02T13:22:29Z">
    koon
  </metadata>
  <metadata tag="bugReady" timestamp="2006-08-02T13:22:37Z">
    koon
  </metadata>
  <metadata tag="submitter" timestamp="2006-08-02T13:39:08Z">
    dizzutch
  </metadata>
</glsa>