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TUCoPS :: Linux :: Gentoo :: va2820.htm

Openswan: Insecure temporary file creation



Openswan: Insecure temporary file creation
Openswan: Insecure temporary file creation



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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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