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<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
<!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>December 19, 2004</announced>
<revised>January 12, 2005: 04</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 ">=kde-base/kdegraphics-3.3.2"</code>
</resolution>
<references>
<uri link="http://www.kde.org/info/security/advisory-20041209-2.txt">KDE Security Advisory: kfax libtiff vulnerabilities</uri>
<uri link="http://www.gentoo.org/security/en/glsa/glsa-200410-11.xml">GLSA 200410-11</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0803">CAN-2004-0803</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0804">CAN-2004-0804</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0886">CAN-2004-0886</uri>
</references>
<metadata tag="submitter" timestamp="Fri, 10 Dec 2004 09:35:12 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Sun, 19 Dec 2004 16:51:18 +0000">
jaervosz
</metadata>
</glsa>
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