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Gentoo Linux Security Advisory                           GLSA 200806-06
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Evolution: User-assisted execution of arbitrary code
      Date: June 16, 2008
      Bugs: #223963
        ID: 200806-06

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Synopsis
========

Multiple vulnerabilities in Evolution may allow for user-assisted
execution of arbitrary code.

Background
==========

Evolution is the mail client of the GNOME desktop environment.

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

    -------------------------------------------------------------------
     Package                /   Vulnerable   /              Unaffected
    -------------------------------------------------------------------
  1  mail-client/evolution      < 2.12.3-r2               >= 2.12.3-r2

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

Alin Rad Pop (Secunia Research) reported two vulnerabilities in
Evolution:

* A boundary error exists when parsing overly long timezone strings
  contained within iCalendar attachments and when the ITip formatter is
  disabled (CVE-2008-1108).

* A boundary error exists when replying to an iCalendar request with
  an overly long "DESCRIPTION" property while in calendar view
  (CVE-2008-1109).

Impact
======

A remote attacker could entice a user to open a specially crafted
iCalendar attachment, resulting in the execution of arbitrary code with
the privileges of the user running Evolution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Evolution users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=mail-client/evolution-2.12.3-r2"

References
==========

  [ 1 ] CVE-2008-1108
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1108
  [ 2 ] CVE-2008-1109
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1109

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

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

  http://security.gentoo.org/glsa/glsa-200806-06.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@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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