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Red Hat Security Advisory 2020-2212-01

Red Hat Security Advisory 2020-2212-01
Posted May 19, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2212-01 - Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Issues addressed include HTTP response splitting and buffer under-read vulnerabilities.

tags | advisory, web, vulnerability, ruby
systems | linux, redhat
advisories | CVE-2017-17742, CVE-2018-8778
MD5 | 2d553879d3f6203c6cc6b183b21ffa4b

Red Hat Security Advisory 2020-2212-01

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

Synopsis: Moderate: ruby security update
Advisory ID: RHSA-2020:2212-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2212
Issue date: 2020-05-19
CVE Names: CVE-2017-17742 CVE-2018-8778
====================================================================
1. Summary:

An update for ruby is now available for Red Hat Enterprise Linux 7.4
Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP
Solutions.

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 Server AUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - noarch, ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - 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.

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 Server AUS (v. 7.4):

Source:
ruby-2.0.0.648-36.el7_4.src.rpm

noarch:
ruby-irb-2.0.0.648-36.el7_4.noarch.rpm
rubygem-rdoc-4.0.0-36.el7_4.noarch.rpm
rubygems-2.0.14.1-36.el7_4.noarch.rpm

x86_64:
ruby-2.0.0.648-36.el7_4.x86_64.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.i686.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-libs-2.0.0.648-36.el7_4.i686.rpm
ruby-libs-2.0.0.648-36.el7_4.x86_64.rpm
rubygem-bigdecimal-1.2.0-36.el7_4.x86_64.rpm
rubygem-io-console-0.4.2-36.el7_4.x86_64.rpm
rubygem-json-1.7.7-36.el7_4.x86_64.rpm
rubygem-psych-2.0.0-36.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.4):

Source:
ruby-2.0.0.648-36.el7_4.src.rpm

noarch:
ruby-irb-2.0.0.648-36.el7_4.noarch.rpm
rubygem-rdoc-4.0.0-36.el7_4.noarch.rpm
rubygems-2.0.14.1-36.el7_4.noarch.rpm

ppc64le:
ruby-2.0.0.648-36.el7_4.ppc64le.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.ppc64le.rpm
ruby-libs-2.0.0.648-36.el7_4.ppc64le.rpm
rubygem-bigdecimal-1.2.0-36.el7_4.ppc64le.rpm
rubygem-io-console-0.4.2-36.el7_4.ppc64le.rpm
rubygem-json-1.7.7-36.el7_4.ppc64le.rpm
rubygem-psych-2.0.0-36.el7_4.ppc64le.rpm

x86_64:
ruby-2.0.0.648-36.el7_4.x86_64.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.i686.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-libs-2.0.0.648-36.el7_4.i686.rpm
ruby-libs-2.0.0.648-36.el7_4.x86_64.rpm
rubygem-bigdecimal-1.2.0-36.el7_4.x86_64.rpm
rubygem-io-console-0.4.2-36.el7_4.x86_64.rpm
rubygem-json-1.7.7-36.el7_4.x86_64.rpm
rubygem-psych-2.0.0-36.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.4):

Source:
ruby-2.0.0.648-36.el7_4.src.rpm

noarch:
ruby-irb-2.0.0.648-36.el7_4.noarch.rpm
rubygem-rdoc-4.0.0-36.el7_4.noarch.rpm
rubygems-2.0.14.1-36.el7_4.noarch.rpm

x86_64:
ruby-2.0.0.648-36.el7_4.x86_64.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.i686.rpm
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-libs-2.0.0.648-36.el7_4.i686.rpm
ruby-libs-2.0.0.648-36.el7_4.x86_64.rpm
rubygem-bigdecimal-1.2.0-36.el7_4.x86_64.rpm
rubygem-io-console-0.4.2-36.el7_4.x86_64.rpm
rubygem-json-1.7.7-36.el7_4.x86_64.rpm
rubygem-psych-2.0.0-36.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.4):

noarch:
ruby-doc-2.0.0.648-36.el7_4.noarch.rpm
rubygem-minitest-4.3.2-36.el7_4.noarch.rpm
rubygem-rake-0.9.6-36.el7_4.noarch.rpm
rubygems-devel-2.0.14.1-36.el7_4.noarch.rpm

x86_64:
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-devel-2.0.0.648-36.el7_4.x86_64.rpm
ruby-tcltk-2.0.0.648-36.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.4):

noarch:
ruby-doc-2.0.0.648-36.el7_4.noarch.rpm
rubygem-minitest-4.3.2-36.el7_4.noarch.rpm
rubygem-rake-0.9.6-36.el7_4.noarch.rpm
rubygems-devel-2.0.14.1-36.el7_4.noarch.rpm

ppc64le:
ruby-debuginfo-2.0.0.648-36.el7_4.ppc64le.rpm
ruby-devel-2.0.0.648-36.el7_4.ppc64le.rpm
ruby-tcltk-2.0.0.648-36.el7_4.ppc64le.rpm

x86_64:
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-devel-2.0.0.648-36.el7_4.x86_64.rpm
ruby-tcltk-2.0.0.648-36.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.4):

noarch:
ruby-doc-2.0.0.648-36.el7_4.noarch.rpm
rubygem-minitest-4.3.2-36.el7_4.noarch.rpm
rubygem-rake-0.9.6-36.el7_4.noarch.rpm
rubygems-devel-2.0.14.1-36.el7_4.noarch.rpm

x86_64:
ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm
ruby-devel-2.0.0.648-36.el7_4.x86_64.rpm
ruby-tcltk-2.0.0.648-36.el7_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/

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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