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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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Gentoo Linux Security Advisory                           GLSA 200408-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Nessus: "adduser" race condition vulnerability
      Date: August 12, 2004
      Bugs: #58014
        ID: 200408-11

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Synopsis
========

Nessus contains a vulnerability allowing a user to perform a privilege
escalation attack.

Background
==========

Nessus is a free and powerful network security scanner.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/nessus      <= 2.0.11                      >= 2.0.12

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

A race condition can occur in "nessus-adduser" if the user has not
configured their TMPDIR variable.

Impact
======

A malicious user could exploit this bug to escalate privileges to the
rights of the user running "nessus-adduser".

Workaround
==========

There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version of Nessus.

Resolution
==========

All Nessus users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=net-analyzer/nessus-2.0.12"
    # emerge ">=net-analyzer/nessus-2.0.12"

References
==========

  [ 1 ] Secunia Advisory
        http://secunia.com/advisories/12127/

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

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

    http://security.gentoo.org/glsa/glsa-200408-11.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 2004 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/1.0
-----BEGIN PGP SIGNATURE-----
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