glsa-200502-25.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200502-25">
  <title>Squid: Denial of Service through DNS responses</title>
  <synopsis>
    Squid contains a bug in the handling of certain DNS responses resulting in
    a Denial of Service.
  </synopsis>
  <product type="ebuild">Squid</product>
  <announced>2005-02-18</announced>
  <revised count="01">2005-02-18</revised>
  <bug>81997</bug>
  <access>remote</access>
  <affected>
    <package name="net-proxy/squid" auto="yes" arch="*">
      <unaffected range="ge">2.5.8</unaffected>
      <vulnerable range="lt">2.5.8</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    Squid is a full-featured Web proxy cache designed to run on
    Unix-like systems. It supports proxying and caching of HTTP, FTP, and
    other protocols, as well as SSL support, cache hierarchies, transparent
    caching, access control lists and many other features.
    </p>
  </background>
  <description>
    <p>
    Handling of certain DNS responses trigger assertion failures.
    </p>
  </description>
  <impact type="normal">
    <p>
    By returning a specially crafted DNS response an attacker could
    cause Squid to crash by triggering an assertion failure.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All Squid users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=net-proxy/squid-2.5.8"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0446">CAN-2005-0446</uri>
  </references>
  <metadata tag="requester" timestamp="2005-02-17T20:33:19Z">
    vorlon078
  </metadata>
  <metadata tag="submitter" timestamp="2005-02-17T21:28:52Z">
    jaervosz
  </metadata>
  <metadata tag="bugReady" timestamp="2005-02-18T09:26:51Z">
    koon
  </metadata>
</glsa>