glsa-200608-17.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200608-17">
  <title>libwmf: Buffer overflow vulnerability</title>
  <synopsis>
    libwmf is vulnerable to an integer overflow potentially resulting in the
    execution of arbitrary code.
  </synopsis>
  <product type="ebuild">libwmf</product>
  <announced>2006-08-10</announced>
  <revised count="01">2006-08-10</revised>
  <bug>139325</bug>
  <access>remote</access>
  <affected>
    <package name="media-libs/libwmf" auto="yes" arch="*">
      <unaffected range="ge">0.2.8.4</unaffected>
      <vulnerable range="lt">0.2.8.4</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    libwmf is a library for reading and converting vector images in
    Microsoft's native Windows Metafile Format (WMF).
    </p>
  </background>
  <description>
    <p>
    infamous41md discovered that libwmf fails to do proper bounds checking
    on the MaxRecordSize variable in the WMF file header. This could lead
    to an head-based buffer overflow.
    </p>
  </description>
  <impact type="normal">
    <p>
    By enticing a user to open a specially crafted WMF file, a remote
    attacker could cause a heap-based buffer overflow and execute arbitrary
    code with the permissions of the user running the application that uses
    libwmf.
    </p>
  </impact>
  <workaround>
    <p>
    There is no known workaround for this issue.
    </p>
  </workaround>
  <resolution>
    <p>
    All libwmf users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=media-libs/libwmf-0.2.8.4"</code>
  </resolution>
  <references>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3376">CVE-2006-3376</uri>
  </references>
  <metadata tag="requester" timestamp="2006-08-07T08:01:55Z">
    falco
  </metadata>
  <metadata tag="submitter" timestamp="2006-08-07T12:39:07Z">
    dizzutch
  </metadata>
  <metadata tag="bugReady" timestamp="2006-08-08T11:33:41Z">
    falco
  </metadata>
</glsa>