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Red Hat: RHSA-2015-1657-01 Important: DNS Security Flaw In Ruby

Redhat Large Esm H500
Updated rh-ruby22-ruby packages that fix one security issue are now available for Red Hat Software Collections 2. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which
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====================================================================                   Red Hat Security Advisory

Synopsis:          Important: rh-ruby22-ruby security update
Advisory ID:       RHSA-2015:1657-01
Product:           Red Hat Software Collections
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:1657.html
Issue date:        2015-08-24
CVE Names:         CVE-2015-3900 
====================================================================
1. Summary:

Updated rh-ruby22-ruby packages that fix one security issue are now
available for Red Hat Software Collections 2.

Red Hat Product Security has rated this update as having Important 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:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

3. Description:

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

A flaw was found in a way rubygems verified the API endpoint hostname
retrieved through a DNS SRV record. A man-in-the-middle attacker could use
this flaw to force a client to download content from an untrusted domain.
(CVE-2015-3900)

All rh-ruby22-ruby users are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. All running
instances of Ruby need to be restarted for this update to take effect.

4. Solution:

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

1236116 - CVE-2015-3900 rubygems: DNS hijacking vulnerability in api_endpoint()

6. Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):

Source:
rh-ruby22-ruby-2.2.2-12.el6.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el6.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el6.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el6.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el6.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el6.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el6.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el6.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el6.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5):

Source:
rh-ruby22-ruby-2.2.2-12.el6.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el6.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el6.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el6.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el6.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el6.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el6.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el6.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el6.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6):

Source:
rh-ruby22-ruby-2.2.2-12.el6.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el6.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el6.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el6.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el6.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el6.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el6.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el6.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el6.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):

Source:
rh-ruby22-ruby-2.2.2-12.el6.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el6.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el6.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el6.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el6.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el6.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el6.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el6.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el6.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el6.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el6.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el6.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source:
rh-ruby22-ruby-2.2.2-12.el7.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el7.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el7.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el7.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el7.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el7.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el7.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el7.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el7.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el7.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el7.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1):

Source:
rh-ruby22-ruby-2.2.2-12.el7.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el7.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el7.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el7.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el7.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el7.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el7.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el7.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el7.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el7.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el7.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-ruby22-ruby-2.2.2-12.el7.src.rpm

noarch:
rh-ruby22-ruby-doc-2.2.2-12.el7.noarch.rpm
rh-ruby22-ruby-irb-2.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-minitest-5.4.3-12.el7.noarch.rpm
rh-ruby22-rubygem-power_assert-0.2.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rake-10.4.2-12.el7.noarch.rpm
rh-ruby22-rubygem-rdoc-4.2.0-12.el7.noarch.rpm
rh-ruby22-rubygem-test-unit-3.0.8-12.el7.noarch.rpm
rh-ruby22-rubygems-devel-2.4.5-12.el7.noarch.rpm

x86_64:
rh-ruby22-ruby-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-debuginfo-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-devel-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-libs-2.2.2-12.el7.x86_64.rpm
rh-ruby22-ruby-tcltk-2.2.2-12.el7.x86_64.rpm
rh-ruby22-rubygem-bigdecimal-1.2.6-12.el7.x86_64.rpm
rh-ruby22-rubygem-io-console-0.4.3-12.el7.x86_64.rpm
rh-ruby22-rubygem-json-1.8.1-12.el7.x86_64.rpm
rh-ruby22-rubygem-psych-2.0.8-12.el7.x86_64.rpm
rh-ruby22-rubygems-2.4.5-12.el7.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/

7. References:

https://access.redhat.com/security/cve/CVE-2015-3900
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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Red Hat: RHSA-2015-1657-01 Important: DNS Security Flaw In Ruby

red hat
Calendar Grey August 24, 2015
Dist Redhat Esm H88
Crucial Ruby security patch released for Red Hat customers resolving severe API validation vulnerabilities. Ensure you upgrade today!
Updated rh-ruby22-ruby packages that fix one security issue are now available for Red Hat Software Collections 2

Solution

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

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Summary

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.
A flaw was found in a way rubygems verified the API endpoint hostname retrieved through a DNS SRV record. A man-in-the-middle attacker could use this flaw to force a client to download content from an untrusted domain. (CVE-2015-3900)
All rh-ruby22-ruby users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running instances of Ruby need to be restarted for this update to take effect.

References

https://access.redhat.com/security/cve/CVE-2015-3900 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):
Source: rh-ruby22-ruby-2.2.2-12.el6.src.rpm
noarch: rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm rh-ruby22-rubygem-power_assert-0.2.2-12.el6.noarch.rpm rh-ruby22-rubygem-rake-10.4.2-12.el6.noarch.rpm rh-ruby22-rubygem-rdoc-4.2.0-12.el6.noarch.rpm rh-ruby22-rubygem-test-unit-3.0.8-12.el6.noarch.rpm rh-ruby22-rubygems-devel-2.4.5-12.el6.noarch.rpm
x86_64: rh-ruby22-ruby-2.2.2-12.el6.x86_64.rpm rh-ruby22-ruby-debuginfo-2.2.2-12.el6.x86_64.rpm rh-ruby22-ruby-devel-2.2.2-12.el6.x86_64.rpm rh-ruby22-ruby-libs-2.2.2-12.el6.x86_64.rpm rh-ruby22-ruby-tcltk-2.2.2-12.el6.x86_64.rpm rh-ruby22-rubygem-bigdecimal-1.2.6-12.el6.x86_64.rpm rh-ruby22-rubygem-io-console-0.4.3-12.el6.x86_64.rpm rh-ruby22-rubygem-json-1.8.1-12.el6.x86_64.rpm rh-ruby22-rubygem-psych-2.0.8-12.el6.x86_64.rpm rh-ruby22-rubygems-2.4.5-12.el6.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5):
Source: rh-ruby22-ruby-2.2.2-12.el6.src.rpm
noarch: rh-ruby22-ruby-doc-2.2.2-12.el6.noarch.rpm rh-ruby22-ruby-irb-2.2.2-12.el6.noarch.rpm rh-ruby22-rubygem-minitest-5.4.3-12.el6.noarch.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2015:1657-01
Product: Red Hat Software Collections
Issue date: 2015-08-24

Topic

Updated rh-ruby22-ruby packages that fix one security issue are nowavailable for Red Hat Software Collections 2.Red Hat Product Security has rated this update as having Important securityimpact. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available from the CVE link in theReferences section.

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Bugs Fixed

1236116 - CVE-2015-3900 rubygems: DNS hijacking vulnerability in api_endpoint()

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