glsa-200408-26.xml


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

<glsa id="200408-26">
  <title>zlib: Denial of service vulnerability</title>
  <synopsis>
    The zlib library contains a Denial of Service vulnerability.
  </synopsis>
  <product type="ebuild">zlib</product>
  <announced>August 27, 2004</announced>
  <revised>May 22, 2006: 02</revised>
  <bug>61749</bug>
  <access>remote</access>
  <affected>
    <package name="sys-libs/zlib" auto="yes" arch="*">
      <unaffected range="ge">1.2.1-r3</unaffected>
      <vulnerable range="le">1.2.1-r2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    zlib is a general-purpose data-compression library.
    </p>
  </background>
  <description>
    <p>
    zlib contains a bug in the handling of errors in the "inflate()" and
    "inflateBack()" functions.
    </p>
  </description>
  <impact type="normal">
    <p>
    An attacker could exploit this vulnerability to launch a Denial of
    Service attack on any application using the zlib library.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround at this time. All users are encouraged to
    upgrade to the latest available version of zlib.
    </p>
  </workaround>
  <resolution>
    <p>
    All zlib users should upgrade to the latest version:
    </p>
    <code>
    # emerge sync
    
    # emerge -pv &quot;&gt;=sys-libs/zlib-1.2.1-r3&quot;
    # emerge &quot;&gt;=sys-libs/zlib-1.2.1-r3&quot;</code>
    <p>
    You should also run revdep-rebuild to rebuild any packages that depend
    on older versions of zlib :
    </p>
    <code>
    # revdep-rebuild</code>
  </resolution>
  <references>
    <uri link="http://www.openpkg.org/security/OpenPKG-SA-2004.038-zlib.html">OpenPKG-SA-2004.038-zlib</uri>
    <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0797">CVE-2004-0797</uri>
  </references>
  <metadata tag="requester" timestamp="Thu, 26 Aug 2004 19:08:52 +0000">
    jaervosz
  </metadata>
  <metadata tag="submitter" timestamp="Fri, 27 Aug 2004 05:21:24 +0000">
    jaervosz
  </metadata>
</glsa>