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Red Hat Security Advisory

Synopsis: Moderate: ruby security update
Advisory ID: RHSA-2020:1963-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1963
Issue date: 2020-04-29
CVE Names: CVE-2017-17742 CVE-2018-8778
=====================================================================

1. Summary:

An update for ruby is now available for Red Hat Enterprise Linux 7.5
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) – noarch, x86_64
Red Hat Enterprise Linux Server EUS (v. 7.5) – noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional EUS (v. 7.5) – noarch, ppc64, ppc64le, s390x, 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.

Security Fix(es):

* ruby: HTTP response splitting in WEBrick (CVE-2017-17742)

* ruby: Buffer under-read in String#unpack (CVE-2018-8778)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

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

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

1561952 – CVE-2017-17742 ruby: HTTP response splitting in WEBrick
1561953 – CVE-2018-8778 ruby: Buffer under-read in String#unpack

6. Package List:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):

Source:
ruby-2.0.0.648-36.el7_5.src.rpm

noarch:
ruby-irb-2.0.0.648-36.el7_5.noarch.rpm
rubygem-rdoc-4.0.0-36.el7_5.noarch.rpm
rubygems-2.0.14.1-36.el7_5.noarch.rpm

x86_64:
ruby-2.0.0.648-36.el7_5.x86_64.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.i686.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.x86_64.rpm
ruby-libs-2.0.0.648-36.el7_5.i686.rpm
ruby-libs-2.0.0.648-36.el7_5.x86_64.rpm
rubygem-bigdecimal-1.2.0-36.el7_5.x86_64.rpm
rubygem-io-console-0.4.2-36.el7_5.x86_64.rpm
rubygem-json-1.7.7-36.el7_5.x86_64.rpm
rubygem-psych-2.0.0-36.el7_5.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):

noarch:
ruby-doc-2.0.0.648-36.el7_5.noarch.rpm
rubygem-minitest-4.3.2-36.el7_5.noarch.rpm
rubygem-rake-0.9.6-36.el7_5.noarch.rpm
rubygems-devel-2.0.14.1-36.el7_5.noarch.rpm

x86_64:
ruby-debuginfo-2.0.0.648-36.el7_5.x86_64.rpm
ruby-devel-2.0.0.648-36.el7_5.x86_64.rpm
ruby-tcltk-2.0.0.648-36.el7_5.x86_64.rpm

Red Hat Enterprise Linux Server EUS (v. 7.5):

Source:
ruby-2.0.0.648-36.el7_5.src.rpm

noarch:
ruby-irb-2.0.0.648-36.el7_5.noarch.rpm
rubygem-rdoc-4.0.0-36.el7_5.noarch.rpm
rubygems-2.0.14.1-36.el7_5.noarch.rpm

ppc64:
ruby-2.0.0.648-36.el7_5.ppc64.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.ppc.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.ppc64.rpm
ruby-libs-2.0.0.648-36.el7_5.ppc.rpm
ruby-libs-2.0.0.648-36.el7_5.ppc64.rpm
rubygem-bigdecimal-1.2.0-36.el7_5.ppc64.rpm
rubygem-io-console-0.4.2-36.el7_5.ppc64.rpm
rubygem-json-1.7.7-36.el7_5.ppc64.rpm
rubygem-psych-2.0.0-36.el7_5.ppc64.rpm

ppc64le:
ruby-2.0.0.648-36.el7_5.ppc64le.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.ppc64le.rpm
ruby-libs-2.0.0.648-36.el7_5.ppc64le.rpm
rubygem-bigdecimal-1.2.0-36.el7_5.ppc64le.rpm
rubygem-io-console-0.4.2-36.el7_5.ppc64le.rpm
rubygem-json-1.7.7-36.el7_5.ppc64le.rpm
rubygem-psych-2.0.0-36.el7_5.ppc64le.rpm

s390x:
ruby-2.0.0.648-36.el7_5.s390x.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.s390.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.s390x.rpm
ruby-libs-2.0.0.648-36.el7_5.s390.rpm
ruby-libs-2.0.0.648-36.el7_5.s390x.rpm
rubygem-bigdecimal-1.2.0-36.el7_5.s390x.rpm
rubygem-io-console-0.4.2-36.el7_5.s390x.rpm
rubygem-json-1.7.7-36.el7_5.s390x.rpm
rubygem-psych-2.0.0-36.el7_5.s390x.rpm

x86_64:
ruby-2.0.0.648-36.el7_5.x86_64.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.i686.rpm
ruby-debuginfo-2.0.0.648-36.el7_5.x86_64.rpm
ruby-libs-2.0.0.648-36.el7_5.i686.rpm
ruby-libs-2.0.0.648-36.el7_5.x86_64.rpm
rubygem-bigdecimal-1.2.0-36.el7_5.x86_64.rpm
rubygem-io-console-0.4.2-36.el7_5.x86_64.rpm
rubygem-json-1.7.7-36.el7_5.x86_64.rpm
rubygem-psych-2.0.0-36.el7_5.x86_64.rpm

Red Hat Enterprise Linux Server Optional EUS (v. 7.5):

noarch:
ruby-doc-2.0.0.648-36.el7_5.noarch.rpm
rubygem-minitest-4.3.2-36.el7_5.noarch.rpm
rubygem-rake-0.9.6-36.el7_5.noarch.rpm
rubygems-devel-2.0.14.1-36.el7_5.noarch.rpm

ppc64:
ruby-debuginfo-2.0.0.648-36.el7_5.ppc64.rpm
ruby-devel-2.0.0.648-36.el7_5.ppc64.rpm
ruby-tcltk-2.0.0.648-36.el7_5.ppc64.rpm

ppc64le:
ruby-debuginfo-2.0.0.648-36.el7_5.ppc64le.rpm
ruby-devel-2.0.0.648-36.el7_5.ppc64le.rpm
ruby-tcltk-2.0.0.648-36.el7_5.ppc64le.rpm

s390x:
ruby-debuginfo-2.0.0.648-36.el7_5.s390x.rpm
ruby-devel-2.0.0.648-36.el7_5.s390x.rpm
ruby-tcltk-2.0.0.648-36.el7_5.s390x.rpm

x86_64:
ruby-debuginfo-2.0.0.648-36.el7_5.x86_64.rpm
ruby-devel-2.0.0.648-36.el7_5.x86_64.rpm
ruby-tcltk-2.0.0.648-36.el7_5.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-2017-17742
https://access.redhat.com/security/cve/CVE-2018-8778
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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