glsa-200412-17.xml


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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200412-17">
  <title>kfax: Multiple overflows in the included TIFF library</title>
  <synopsis>
    kfax contains several buffer overflows potentially leading to execution of
    arbitrary code.
  </synopsis>
  <product type="ebuild">kfax</product>
  <announced>2004-12-19</announced>
  <revised count="04">2005-01-12</revised>
  <bug>73795</bug>
  <access>remote</access>
  <affected>
    <package name="kde-base/kdegraphics" auto="yes" arch="*">
      <unaffected range="ge">3.3.2</unaffected>
      <vulnerable range="lt">3.3.2</vulnerable>
    </package>
  </affected>
  <background>
    <p>
    KDE is a feature-rich graphical desktop environment for Linux and
    Unix-like Operating Systems. kfax (part of kdegraphics) is the KDE fax
    file viewer.
    </p>
  </background>
  <description>
    <p>
    Than Ngo discovered that kfax contains a private copy of the TIFF
    library and is therefore subject to several known vulnerabilities (see
    References).
    </p>
  </description>
  <impact type="normal">
    <p>
    A remote attacker could entice a user to view a carefully-crafted TIFF
    image file with kfax, which would potentially lead to execution of
    arbitrary code with the rights of the user running kfax.
    </p>
  </impact>
  <workaround>
    <p>
    The KDE Team recommends to remove the kfax binary as well as the
    kfaxpart.la KPart:
    </p>
    <code>
    rm /usr/kde/3.*/lib/kde3/kfaxpart.la
    rm /usr/kde/3.*/bin/kfax</code>
    <p>
    Note: This will render the kfax functionality useless, if kfax
    functionality is needed you should upgrade to the KDE 3.3.2 which is
    not stable at the time of this writing.
    </p>
    <p>
    There is no known workaround at this time.
    </p>
  </workaround>
  <resolution>
    <p>
    All kfax users should upgrade to the latest version:
    </p>
    <code>
    # emerge --sync
    # emerge --ask --oneshot --verbose "&gt;=kde-base/kdegraphics-3.3.2"</code>
  </resolution>
  <references>
    <uri link="https://www.kde.org/info/security/advisory-20041209-2.txt">KDE Security Advisory: kfax libtiff vulnerabilities</uri>
    <uri link="https://www.gentoo.org/security/en/glsa/glsa-200410-11.xml">GLSA 200410-11</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0803">CAN-2004-0803</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0804">CAN-2004-0804</uri>
    <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0886">CAN-2004-0886</uri>
  </references>
  <metadata tag="submitter" timestamp="2004-12-10T09:35:12Z">
    jaervosz
  </metadata>
  <metadata tag="bugReady" timestamp="2004-12-19T16:51:18Z">
    jaervosz
  </metadata>
</glsa>