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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: ruby security update
Advisory ID:       RHSA-2013:1090-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-1090.html
Issue date:        2013-07-17
CVE Names:         CVE-2013-4073 
=====================================================================

1. Summary:

Updated ruby packages that fix one security issue are now available for
Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

Ruby is an extensible, interpreted, object-oriented, scripting language.
It has features to process text files and to do system management tasks.

A flaw was found in Ruby's SSL client's hostname identity check when
handling certificates that contain hostnames with NULL bytes. An attacker
could potentially exploit this flaw to conduct man-in-the-middle attacks to
spoof SSL servers. Note that to exploit this issue, an attacker would need
to obtain a carefully-crafted certificate signed by an authority that the
client trusts. (CVE-2013-4073)

All users of Ruby are advised to upgrade to these updated packages, which
contain backported patches to resolve this issue.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

979251 - CVE-2013-4073 ruby: hostname check bypassing vulnerability in SSL client

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/ruby-1.8.5-31.el5_9.src.rpm

i386:
ruby-1.8.5-31.el5_9.i386.rpm
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-docs-1.8.5-31.el5_9.i386.rpm
ruby-irb-1.8.5-31.el5_9.i386.rpm
ruby-libs-1.8.5-31.el5_9.i386.rpm
ruby-rdoc-1.8.5-31.el5_9.i386.rpm
ruby-ri-1.8.5-31.el5_9.i386.rpm
ruby-tcltk-1.8.5-31.el5_9.i386.rpm

x86_64:
ruby-1.8.5-31.el5_9.x86_64.rpm
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-debuginfo-1.8.5-31.el5_9.x86_64.rpm
ruby-docs-1.8.5-31.el5_9.x86_64.rpm
ruby-irb-1.8.5-31.el5_9.x86_64.rpm
ruby-libs-1.8.5-31.el5_9.i386.rpm
ruby-libs-1.8.5-31.el5_9.x86_64.rpm
ruby-rdoc-1.8.5-31.el5_9.x86_64.rpm
ruby-ri-1.8.5-31.el5_9.x86_64.rpm
ruby-tcltk-1.8.5-31.el5_9.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/ruby-1.8.5-31.el5_9.src.rpm

i386:
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-devel-1.8.5-31.el5_9.i386.rpm
ruby-mode-1.8.5-31.el5_9.i386.rpm

x86_64:
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-debuginfo-1.8.5-31.el5_9.x86_64.rpm
ruby-devel-1.8.5-31.el5_9.i386.rpm
ruby-devel-1.8.5-31.el5_9.x86_64.rpm
ruby-mode-1.8.5-31.el5_9.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/ruby-1.8.5-31.el5_9.src.rpm

i386:
ruby-1.8.5-31.el5_9.i386.rpm
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-devel-1.8.5-31.el5_9.i386.rpm
ruby-docs-1.8.5-31.el5_9.i386.rpm
ruby-irb-1.8.5-31.el5_9.i386.rpm
ruby-libs-1.8.5-31.el5_9.i386.rpm
ruby-mode-1.8.5-31.el5_9.i386.rpm
ruby-rdoc-1.8.5-31.el5_9.i386.rpm
ruby-ri-1.8.5-31.el5_9.i386.rpm
ruby-tcltk-1.8.5-31.el5_9.i386.rpm

ia64:
ruby-1.8.5-31.el5_9.ia64.rpm
ruby-debuginfo-1.8.5-31.el5_9.ia64.rpm
ruby-devel-1.8.5-31.el5_9.ia64.rpm
ruby-docs-1.8.5-31.el5_9.ia64.rpm
ruby-irb-1.8.5-31.el5_9.ia64.rpm
ruby-libs-1.8.5-31.el5_9.ia64.rpm
ruby-mode-1.8.5-31.el5_9.ia64.rpm
ruby-rdoc-1.8.5-31.el5_9.ia64.rpm
ruby-ri-1.8.5-31.el5_9.ia64.rpm
ruby-tcltk-1.8.5-31.el5_9.ia64.rpm

ppc:
ruby-1.8.5-31.el5_9.ppc.rpm
ruby-debuginfo-1.8.5-31.el5_9.ppc.rpm
ruby-debuginfo-1.8.5-31.el5_9.ppc64.rpm
ruby-devel-1.8.5-31.el5_9.ppc.rpm
ruby-devel-1.8.5-31.el5_9.ppc64.rpm
ruby-docs-1.8.5-31.el5_9.ppc.rpm
ruby-irb-1.8.5-31.el5_9.ppc.rpm
ruby-libs-1.8.5-31.el5_9.ppc.rpm
ruby-libs-1.8.5-31.el5_9.ppc64.rpm
ruby-mode-1.8.5-31.el5_9.ppc.rpm
ruby-rdoc-1.8.5-31.el5_9.ppc.rpm
ruby-ri-1.8.5-31.el5_9.ppc.rpm
ruby-tcltk-1.8.5-31.el5_9.ppc.rpm

s390x:
ruby-1.8.5-31.el5_9.s390x.rpm
ruby-debuginfo-1.8.5-31.el5_9.s390.rpm
ruby-debuginfo-1.8.5-31.el5_9.s390x.rpm
ruby-devel-1.8.5-31.el5_9.s390.rpm
ruby-devel-1.8.5-31.el5_9.s390x.rpm
ruby-docs-1.8.5-31.el5_9.s390x.rpm
ruby-irb-1.8.5-31.el5_9.s390x.rpm
ruby-libs-1.8.5-31.el5_9.s390.rpm
ruby-libs-1.8.5-31.el5_9.s390x.rpm
ruby-mode-1.8.5-31.el5_9.s390x.rpm
ruby-rdoc-1.8.5-31.el5_9.s390x.rpm
ruby-ri-1.8.5-31.el5_9.s390x.rpm
ruby-tcltk-1.8.5-31.el5_9.s390x.rpm

x86_64:
ruby-1.8.5-31.el5_9.x86_64.rpm
ruby-debuginfo-1.8.5-31.el5_9.i386.rpm
ruby-debuginfo-1.8.5-31.el5_9.x86_64.rpm
ruby-devel-1.8.5-31.el5_9.i386.rpm
ruby-devel-1.8.5-31.el5_9.x86_64.rpm
ruby-docs-1.8.5-31.el5_9.x86_64.rpm
ruby-irb-1.8.5-31.el5_9.x86_64.rpm
ruby-libs-1.8.5-31.el5_9.i386.rpm
ruby-libs-1.8.5-31.el5_9.x86_64.rpm
ruby-mode-1.8.5-31.el5_9.x86_64.rpm
ruby-rdoc-1.8.5-31.el5_9.x86_64.rpm
ruby-ri-1.8.5-31.el5_9.x86_64.rpm
ruby-tcltk-1.8.5-31.el5_9.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-irb-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-rdoc-1.8.7.352-12.el6_4.i686.rpm

x86_64:
ruby-1.8.7.352-12.el6_4.x86_64.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.x86_64.rpm
ruby-irb-1.8.7.352-12.el6_4.x86_64.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-rdoc-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-docs-1.8.7.352-12.el6_4.i686.rpm
ruby-ri-1.8.7.352-12.el6_4.i686.rpm
ruby-static-1.8.7.352-12.el6_4.i686.rpm
ruby-tcltk-1.8.7.352-12.el6_4.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-docs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-ri-1.8.7.352-12.el6_4.x86_64.rpm
ruby-static-1.8.7.352-12.el6_4.x86_64.rpm
ruby-tcltk-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

x86_64:
ruby-1.8.7.352-12.el6_4.x86_64.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.x86_64.rpm
ruby-irb-1.8.7.352-12.el6_4.x86_64.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-rdoc-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

x86_64:
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-docs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-ri-1.8.7.352-12.el6_4.x86_64.rpm
ruby-static-1.8.7.352-12.el6_4.x86_64.rpm
ruby-tcltk-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-irb-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-rdoc-1.8.7.352-12.el6_4.i686.rpm

ppc64:
ruby-1.8.7.352-12.el6_4.ppc64.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.ppc.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.ppc64.rpm
ruby-devel-1.8.7.352-12.el6_4.ppc.rpm
ruby-devel-1.8.7.352-12.el6_4.ppc64.rpm
ruby-irb-1.8.7.352-12.el6_4.ppc64.rpm
ruby-libs-1.8.7.352-12.el6_4.ppc.rpm
ruby-libs-1.8.7.352-12.el6_4.ppc64.rpm
ruby-rdoc-1.8.7.352-12.el6_4.ppc64.rpm

s390x:
ruby-1.8.7.352-12.el6_4.s390x.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.s390.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.s390x.rpm
ruby-devel-1.8.7.352-12.el6_4.s390.rpm
ruby-devel-1.8.7.352-12.el6_4.s390x.rpm
ruby-irb-1.8.7.352-12.el6_4.s390x.rpm
ruby-libs-1.8.7.352-12.el6_4.s390.rpm
ruby-libs-1.8.7.352-12.el6_4.s390x.rpm
ruby-rdoc-1.8.7.352-12.el6_4.s390x.rpm

x86_64:
ruby-1.8.7.352-12.el6_4.x86_64.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.x86_64.rpm
ruby-irb-1.8.7.352-12.el6_4.x86_64.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-rdoc-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-docs-1.8.7.352-12.el6_4.i686.rpm
ruby-ri-1.8.7.352-12.el6_4.i686.rpm
ruby-static-1.8.7.352-12.el6_4.i686.rpm
ruby-tcltk-1.8.7.352-12.el6_4.i686.rpm

ppc64:
ruby-debuginfo-1.8.7.352-12.el6_4.ppc64.rpm
ruby-docs-1.8.7.352-12.el6_4.ppc64.rpm
ruby-ri-1.8.7.352-12.el6_4.ppc64.rpm
ruby-static-1.8.7.352-12.el6_4.ppc64.rpm
ruby-tcltk-1.8.7.352-12.el6_4.ppc64.rpm

s390x:
ruby-debuginfo-1.8.7.352-12.el6_4.s390x.rpm
ruby-docs-1.8.7.352-12.el6_4.s390x.rpm
ruby-ri-1.8.7.352-12.el6_4.s390x.rpm
ruby-static-1.8.7.352-12.el6_4.s390x.rpm
ruby-tcltk-1.8.7.352-12.el6_4.s390x.rpm

x86_64:
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-docs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-ri-1.8.7.352-12.el6_4.x86_64.rpm
ruby-static-1.8.7.352-12.el6_4.x86_64.rpm
ruby-tcltk-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-irb-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-rdoc-1.8.7.352-12.el6_4.i686.rpm

x86_64:
ruby-1.8.7.352-12.el6_4.x86_64.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-devel-1.8.7.352-12.el6_4.i686.rpm
ruby-devel-1.8.7.352-12.el6_4.x86_64.rpm
ruby-irb-1.8.7.352-12.el6_4.x86_64.rpm
ruby-libs-1.8.7.352-12.el6_4.i686.rpm
ruby-libs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-rdoc-1.8.7.352-12.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/ruby-1.8.7.352-12.el6_4.src.rpm

i386:
ruby-debuginfo-1.8.7.352-12.el6_4.i686.rpm
ruby-docs-1.8.7.352-12.el6_4.i686.rpm
ruby-ri-1.8.7.352-12.el6_4.i686.rpm
ruby-static-1.8.7.352-12.el6_4.i686.rpm
ruby-tcltk-1.8.7.352-12.el6_4.i686.rpm

x86_64:
ruby-debuginfo-1.8.7.352-12.el6_4.x86_64.rpm
ruby-docs-1.8.7.352-12.el6_4.x86_64.rpm
ruby-ri-1.8.7.352-12.el6_4.x86_64.rpm
ruby-static-1.8.7.352-12.el6_4.x86_64.rpm
ruby-tcltk-1.8.7.352-12.el6_4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-4073.html
https://access.redhat.com/security/updates/classification/#moderate
http://www.ruby-lang.org/en/news/2013/06/27/hostname-check-bypassing-vulnerability-in-openssl-client-cve-2013-4073/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2013 Red Hat, Inc.
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