rubygem security update

CentOS Errata and Security Advisory CESA-2015:2180

Bundler manages an application’s dependencies through its entire life,
across many machines, systematically and repeatably. Thor is a toolkit for
building powerful command-line interfaces.

A flaw was found in the way Bundler handled gems available from multiple
sources. An attacker with access to one of the sources could create a
malicious gem with the same name, which they could then use to trick a user
into installing, potentially resulting in execution of code from the
attacker-supplied malicious gem. (CVE-2013-0334)

Bundler has been upgraded to upstream version 1.7.8 and Thor has been
upgraded to upstream version 1.19.1, both of which provide a number of bug
fixes and enhancements over the previous versions. (BZ#1194243, BZ#1209921)

All rubygem-bundler and rubygem-thor users are advised to upgrade to these
updated packages, which correct these issues and add these enhancements.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-cr-announce/2015-November/028874.html
https://lists.centos.org/pipermail/centos-cr-announce/2015-November/028875.html

Affected packages:
rubygem-bundler
rubygem-bundler-doc
rubygem-thor
rubygem-thor-doc

Upstream details at:
https://access.redhat.com/errata/RHSA-2015:2180