full-disclosure - [ GLSA 200602-04 ] Xpdf, Poppler: Heap overflow

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Message-ID: <43EF6F70.9010108@gentoo.org>
Date: Sun Feb 12 17:25:29 2006
From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200602-04 ] Xpdf, Poppler: Heap overflow

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Gentoo Linux Security Advisory                           GLSA 200602-04
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Xpdf, Poppler: Heap overflow
      Date: February 12, 2006
      Bugs: #120985
        ID: 200602-04

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Synopsis
========

Xpdf and Poppler are vulnerable to a heap overflow that may be
exploited to execute arbitrary code.

Background
==========

Xpdf is a PDF file viewer that runs under the X Window System. Poppler
is a PDF rendering library based on the Xpdf 3.0 code base.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  app-text/xpdf         < 3.01-r7                        >= 3.01-r7
  2  app-text/poppler     < 0.5.0-r4                       >= 0.5.0-r4
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Dirk Mueller has reported a vulnerability in Xpdf. It is caused by a
missing boundary check in the splash rasterizer engine when handling
PDF splash images with overly large dimensions.

Impact
======

By sending a specially crafted PDF file to a victim, an attacker could
cause an overflow, potentially resulting in the execution of arbitrary
code with the privileges of the user running the application.

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-r7"

All Poppler users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/poppler-0.5.0-r4"

References
==========

  [ 1 ] CVE-2006-0301
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0301

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

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

  http://security.gentoo.org/glsa/glsa-200602-04.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@...too.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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