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TUCoPS :: Linux :: Gentoo :: bx3530.htm

Evolution: User-assisted execution of arbitrary code



Evolution: User-assisted execution of arbitrary code
Evolution: User-assisted execution of arbitrary code



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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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