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Gentoo Linux Security Advisory                           GLSA 201401-26
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                                            https://security.gentoo.org/
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 Severity: High
    Title: Zabbix: Shell command injection
     Date: January 23, 2014
     Bugs: #493250
       ID: 201401-26

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Synopsis
=======
A vulnerability in Zabbix could allow remote attackers to execute
arbitrary shell code.

Background
=========
Zabbix is software for monitoring applications, networks, and servers.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-analyzer/zabbix         < 2.2.0-r4               >= 2.2.0-r4
                                                         *>= 2.0.9-r1

Description
==========
If a flexible user parameter is configured in Zabbix agent, including a
newline in the parameters will execute newline section as a separate
command even if UnsafeUserParameters are disabled.

Impact
=====
A remote attacker could possibly execute arbitrary shell code with the
privileges of the process.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Zabbix 2.2 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-analyzer/zabbix-2.2.0-r4"

All Zabbix 2.0 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-analyzer/zabbix-2.0.9-r1"

References
=========
[ 1 ] CVE-2013-6824
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6824

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

 https://security.gentoo.org/glsa/201401-26

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 2014 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.

https://creativecommons.org/licenses/by-sa/2.5/