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Gentoo Linux Security Advisory                           GLSA 201710-18
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Ruby: Multiple vulnerabilities
     Date: October 18, 2017
     Bugs: #605536, #629484, #631034
       ID: 201710-18

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Synopsis
========

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

Background
==========

Ruby is an interpreted object-oriented programming language. The
elaborate standard library includes an HTTP server ("WEBRick") and a
class for XML parsing ("REXML").

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-lang/ruby                < 2.2.8                    >= 2.2.8 

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

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

Impact
======

A remote attacker could execute arbitrary code, cause a Denial of
Service condition, or obtain sensitive information.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Ruby users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.2.8"

References
==========

[ 1 ] CVE-2016-2337
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2337
[ 2 ] CVE-2017-0898
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0898
[ 3 ] CVE-2017-10784
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-10784
[ 4 ] CVE-2017-14033
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14033
[ 5 ] CVE-2017-14064
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14064

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

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

 https://security.gentoo.org/glsa/201710-18

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