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Gentoo Linux Security Advisory                           GLSA 201710-01
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: RubyGems: Multiple vulnerabilities
     Date: October 08, 2017
     Bugs: #629230
       ID: 201710-01

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Synopsis
========

Multiple vulnerabilities were found in RubyGems, the worst of which
allows execution of arbitrary code.

Background
==========

RubyGems is a sophisticated package manager for Ruby.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-ruby/rubygems            < 2.6.13                  >= 2.6.13 

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

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

Impact
======

A remote attacker, by enticing a user to install a specially crafted
gem, could possibly execute arbitrary code with the privileges of the
process or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All RubyGems users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-ruby/rubygems-2.6.13"

References
==========

[ 1 ] CVE-2017-0899
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0899
[ 2 ] CVE-2017-0900
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0900
[ 3 ] CVE-2017-0901
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0901
[ 4 ] CVE-2017-0902
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-0902

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

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

 https://security.gentoo.org/glsa/201710-01

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