[ GLSA 200801-03 ] Claws Mail: Insecure temporary file creation

[Pierre-Yves Rofes <py () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200801-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Claws Mail: Insecure temporary file creation
      Date: January 09, 2008
      Bugs: #201244
        ID: 200801-03

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Synopsis
========

Claws Mail uses temporary files in an insecure manner, allowing for a
symlink attack.

Background
==========

Claws Mail is a GTK based e-mail client.

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

    -------------------------------------------------------------------
     Package                 /  Vulnerable  /               Unaffected
    -------------------------------------------------------------------
  1  mail-client/claws-mail     < 3.0.2-r1                 >= 3.0.2-r1

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

Nico Golde from Debian reported that the sylprint.pl script that is
part of the Claws Mail tools creates temporary files in an insecure
manner.

Impact
======

A local attacker could exploit this vulnerability to conduct symlink
attacks to overwrite files with the privileges of the user running
Claws Mail.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Claws Mail users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/claws-mail-3.0.2-r1"

References
==========

  [ 1 ] CVE-2007-6208
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6208

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

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

  http://security.gentoo.org/glsa/glsa-200801-03.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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