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Gentoo Linux Security Advisory                           GLSA 200512-08
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Xpdf, GPdf, CUPS, Poppler: Multiple vulnerabilities
      Date: December 16, 2005
      Bugs: #114428, #115286
        ID: 200512-08

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Synopsis
========

Multiple vulnerabilities have been discovered in Xpdf, GPdf, CUPS and
Poppler potentially resulting in the execution of arbitrary code.

Background
==========

Xpdf and GPdf are PDF file viewers that run under the X Window System.
Poppler is a PDF rendering library based on Xpdf code. The Common UNIX
Printing System (CUPS) is a cross-platform print spooler. It makes use
of Xpdf code to handle PDF files.

Affected packages
=================

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  app-text/xpdf          < 3.01-r2                       >= 3.01-r2
  2  app-text/gpdf         < 2.10.0-r2                    >= 2.10.0-r2
  3  app-text/poppler      < 0.4.2-r1                      >= 0.4.2-r1
  4  net-print/cups        < 1.1.23-r3                    >= 1.1.23-r3
    -------------------------------------------------------------------
     4 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

infamous41md discovered that several Xpdf functions lack sufficient
boundary checking, resulting in multiple exploitable buffer overflows.

Impact
======

An attacker could entice a user to open a specially-crafted PDF file
which would trigger an overflow, potentially resulting in execution of
arbitrary code with the rights of the user running Xpdf, CUPS, GPdf or
Poppler.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Xpdf users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/xpdf-3.01-r2"

All GPdf users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/gpdf-2.10.0-r2"

All Poppler users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/poppler-0.4.2-r1"

All CUPS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-print/cups-1.1.23-r3"

References
==========

  [ 1 ] CVE-2005-3191
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3191
  [ 2 ] CVE-2005-3192
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3192
  [ 3 ] CVE-2005-3193
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3193

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

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

  http://security.gentoo.org/glsa/glsa-200512-08.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 2005 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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