bugtraq - [ GLSA 200704-06 ] Evince: Stack overflow in included gv code

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Date: Sat, 7 Apr 2007 01:13:57 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200704-06 ] Evince: Stack overflow in included gv code

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Gentoo Linux Security Advisory                           GLSA 200704-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Evince: Stack overflow in included gv code
      Date: April 06, 2007
      Bugs: #156573
        ID: 200704-06

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Synopsis
========

Evince improperly handles user-supplied data possibly allowing for the
execution of arbitrary code.

Background
==========

Evince is a document viewer for multiple document formats, including
PostScript.

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

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  app-text/evince     < 0.6.1-r3                        >= 0.6.1-r3

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

Evince includes code from GNU gv that does not properly boundary check
user-supplied data before copying it into process buffers.

Impact
======

An attacker could entice a user to open a specially crafted PostScript
document with Evince and possibly execute arbitrary code with the
rights of the user running Evince.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Evince users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/evince-0.6.1-r3"

References
==========

  [ 1 ] CVE-2006-5864
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5864
  [ 2 ] GLSA-200611-20
        http://www.gentoo.org/security/en/glsa/glsa-200611-20.xml

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

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

  http://security.gentoo.org/glsa/glsa-200704-06.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 2007 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/2.5

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