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Gentoo Linux Security Advisory                           GLSA 200602-05
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  Severity: Normal
     Title: KPdf: Heap based overflow
      Date: February 12, 2006
      Bugs: #121375
        ID: 200602-05

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Synopsis
========

KPdf includes vulnerable Xpdf code to handle PDF files, making it
vulnerable to the execution of arbitrary code.

Background
==========

KPdf is a KDE-based PDF viewer included in the kdegraphics package.

Affected packages
=================

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  kde-base/kdegraphics     < 3.4.3-r4                   >= 3.4.3-r4
  2  kde-base/kpdf            < 3.4.3-r4                   >= 3.4.3-r4
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

Description
===========

KPdf includes Xpdf code to handle PDF files. Dirk Mueller discovered
that the Xpdf code is vulnerable a heap based overflow in the splash
rasterizer engine.

Impact
======

An attacker could entice a user to open a specially crafted PDF file
with Kpdf, potentially resulting in the execution of arbitrary code
with the rights of the user running the affected application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All kdegraphics users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=kde-base/kdegraphics-3.4.3-r4"

All Kpdf users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=kde-base/kpdf-3.4.3-r4"

References
==========

  [ 1 ] CVE-2006-0301
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0301
  [ 2 ] KDE Security Advisory: kpdf/xpdf heap based buffer overflow
        http://www.kde.org/info/security/advisory-20060202-1.txt

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200602-05.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0


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