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Gentoo Linux Security Advisory                           GLSA 201710-20
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Nagios: Multiple vulnerabilities
     Date: October 18, 2017
     Bugs: #602216, #628086
       ID: 201710-20

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Synopsis
========

Multiple vulnerabilities have been found in Nagios, the worst of which
could lead to the remote execution of arbitrary code.

Background
==========

Nagios is an open source host, service and network monitoring program.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/nagios-core
                                  < 4.3.3                    >= 4.3.3 

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

Multiple vulnerabilities have been discovered in Nagios. Please review
the referenced CVE identifiers for details.

Impact
======

A remote attacker could possibly escalate privileges to root, thus
allowing the execution of arbitrary code, by leveraging CVE-2016-9565. 
Additionally, a local attacker could cause a Denial of Service
condition against arbitrary processes due to the improper dropping of
privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Nagios users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=net-analyzer/nagios-core-4.3.3"

References
==========

[ 1 ] CVE-2016-9565
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9565
[ 2 ] CVE-2016-9566
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9566
[ 3 ] CVE-2017-12847
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-12847

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

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

 https://security.gentoo.org/glsa/201710-20

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
https://bugs.gentoo.org.

License
=======

Copyright 2017 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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