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Gentoo Linux Security Advisory                           GLSA 201412-27
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                                            https://security.gentoo.org/
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 Severity: Normal
    Title: Ruby: Denial of Service
     Date: December 13, 2014
     Bugs: #355439, #369141, #396301, #437366, #442580, #458776,
           #492282, #527084, #529216
       ID: 201412-27

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Synopsis
=======
Multiple vulnerabilities have been found in Ruby, allowing
context-dependent attackers to cause a Denial of Service condition.

Background
=========
Ruby is an object-oriented scripting language.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-lang/ruby              < 2.0.0_p598           *>= 1.9.3_p551
                                                        >= 2.0.0_p598

Description
==========
Multiple vulnerabilities have been discovered in Ruby. Please review
the CVE identifiers referenced below for details.

Impact
=====
A context-dependent attacker could possibly execute arbitrary code with
the privileges of the process, cause a Denial of Service condition, or
bypass security restrictions.

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

Resolution
=========
All Ruby 1.9 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.9.3_p551"

All Ruby 2.0 users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.0.0_p598"

References
=========
[  1 ] CVE-2011-0188
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0188
[  2 ] CVE-2011-1004
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1004
[  3 ] CVE-2011-1005
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1005
[  4 ] CVE-2011-4815
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4815
[  5 ] CVE-2012-4481
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4481
[  6 ] CVE-2012-5371
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5371
[  7 ] CVE-2013-0269
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0269
[  8 ] CVE-2013-1821
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1821
[  9 ] CVE-2013-4164
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4164
[ 10 ] CVE-2014-8080
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8080
[ 11 ] CVE-2014-8090
       https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8090

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

 https://security.gentoo.org/glsa/glsa-201412-27.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
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