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Gentoo Linux Security Advisory 200903-18

Gentoo Linux Security Advisory 200903-18
Posted Mar 9, 2009
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200903-18 - An insecure temporary file usage has been reported in Openswan, allowing for symlink attacks. Dmitry E. Oboukhov reported that the IPSEC livetest tool does not handle the ipseclive.conn and ipsec.olts.remote.log temporary files securely. Versions less than 2.4.13-r2 are affected.

tags | advisory, remote
systems | linux, gentoo
advisories | CVE-2008-4190
SHA-256 | fa432b659b8ee8bf4248d6dd8c9d6c56c0794d09817d68b97ecc82cbb40f7891

Gentoo Linux Security Advisory 200903-18

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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
security@gentoo.org 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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