[ GLSA 200608-08 ] GnuPG: Integer overflow vulnerability

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200608-08
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                                            http://security.gentoo.org/
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  Severity: High
     Title: GnuPG: Integer overflow vulnerability
      Date: August 05, 2006
      Bugs: #142248
        ID: 200608-08

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Synopsis
========

GnuPG is vulnerable to an integer overflow that could lead to the
execution of arbitrary code.

Background
==========

The GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite
of cryptographic software.

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

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  app-crypt/gnupg       < 1.4.5                            >= 1.4.5

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

Evgeny Legerov discovered a vulnerability in GnuPG that when certain
packets are handled an integer overflow may occur.

Impact
======

By sending a specially crafted email to a user running an affected
version of GnuPG, a remote attacker could possibly execute arbitrary
code with the permissions of the user running GnuPG.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GnuPG users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-1.4.5"

References
==========

  [ 1 ] CVE-2006-3746
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3746

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

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

  http://security.gentoo.org/glsa/glsa-200608-08.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 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/2.5

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