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[ GLSA 200903-18 ] Openswan: Insecure temporary file creation


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From: Robert Buchholz <rbu@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200903-18 ] Openswan: Insecure temporary file creation
Date: Mon, 9 Mar 2009 15:00:47 +0100
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Gentoo Linux Security Advisory                           GLSA 200903-18
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Openswan: Insecure temporary file creation
      Date: March 09, 2009
      Bugs: #238574
        ID: 200903-18

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Synopsis
========

An insecure temporary file usage has been reported in Openswan,
allowing for symlink attacks.

Background
==========

Openswan is an implementation of IPsec for Linux.

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

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  net-misc/openswan      < 2.4.13-r2                   >= 2.4.13-r2


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

Dmitry E. Oboukhov reported that the IPSEC livetest tool does not
handle the ipseclive.conn and ipsec.olts.remote.log temporary files
securely.

Impact
======

A local attacker could perform symlink attacks to execute arbitrary
code and overwrite arbitrary files with the privileges of the user
running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Openswan users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-misc/openswan-2.4.13-r2"


References
==========

  [ 1 ] CVE-2008-4190
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4190

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

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

  http://security.gentoo.org/glsa/glsa-200903-18.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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2009 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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