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Red Hat Security Advisory 2021-3559-01

Red Hat Security Advisory 2021-3559-01
Posted Sep 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3559-01 - 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 a code execution vulnerability.

tags | advisory, code execution, ruby
systems | linux, redhat
advisories | CVE-2020-36327, CVE-2021-31799, CVE-2021-31810, CVE-2021-32066
MD5 | f66355ca02d719f26e871be2646a5870

Red Hat Security Advisory 2021-3559-01

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

Synopsis: Important: rh-ruby27-ruby security update
Advisory ID: RHSA-2021:3559-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3559
Issue date: 2021-09-20
CVE Names: CVE-2020-36327 CVE-2021-31799 CVE-2021-31810
CVE-2021-32066
=====================================================================

1. Summary:

An update for rh-ruby27-ruby is now available for Red Hat Software
Collections.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64le, s390x, 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.

The following packages have been upgraded to a later upstream version:
rh-ruby27-ruby (2.7.4).

Security Fix(es):

* rubygem-bundler: Dependencies of gems with explicit source may be
installed from a different source (CVE-2020-36327)

* rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)

* ruby: FTP PASV command response can cause Net::FTP to connect to
arbitrary host (CVE-2021-31810)

* ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)

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/):

1958999 - CVE-2020-36327 rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source
1980126 - CVE-2021-31810 ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host
1980128 - CVE-2021-32066 ruby: StartTLS stripping vulnerability in Net::IMAP
1980132 - CVE-2021-31799 rubygem-rdoc: Command injection vulnerability in RDoc

6. Package List:

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

Source:
rh-ruby27-ruby-2.7.4-130.el7.src.rpm

noarch:
rh-ruby27-ruby-doc-2.7.4-130.el7.noarch.rpm
rh-ruby27-rubygem-bundler-2.2.24-130.el7.noarch.rpm
rh-ruby27-rubygem-did_you_mean-1.4.0-130.el7.noarch.rpm
rh-ruby27-rubygem-irb-1.2.6-130.el7.noarch.rpm
rh-ruby27-rubygem-minitest-5.13.0-130.el7.noarch.rpm
rh-ruby27-rubygem-net-telnet-0.2.0-130.el7.noarch.rpm
rh-ruby27-rubygem-power_assert-1.1.7-130.el7.noarch.rpm
rh-ruby27-rubygem-rake-13.0.1-130.el7.noarch.rpm
rh-ruby27-rubygem-rdoc-6.2.1.1-130.el7.noarch.rpm
rh-ruby27-rubygem-test-unit-3.3.4-130.el7.noarch.rpm
rh-ruby27-rubygem-xmlrpc-0.3.0-130.el7.noarch.rpm
rh-ruby27-rubygems-3.1.6-130.el7.noarch.rpm
rh-ruby27-rubygems-devel-3.1.6-130.el7.noarch.rpm

ppc64le:
rh-ruby27-ruby-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.ppc64le.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.ppc64le.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.ppc64le.rpm

s390x:
rh-ruby27-ruby-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.s390x.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.s390x.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.s390x.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.s390x.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.s390x.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.s390x.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.s390x.rpm

x86_64:
rh-ruby27-ruby-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.x86_64.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.x86_64.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.x86_64.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.x86_64.rpm

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):

Source:
rh-ruby27-ruby-2.7.4-130.el7.src.rpm

noarch:
rh-ruby27-ruby-doc-2.7.4-130.el7.noarch.rpm
rh-ruby27-rubygem-bundler-2.2.24-130.el7.noarch.rpm
rh-ruby27-rubygem-did_you_mean-1.4.0-130.el7.noarch.rpm
rh-ruby27-rubygem-irb-1.2.6-130.el7.noarch.rpm
rh-ruby27-rubygem-minitest-5.13.0-130.el7.noarch.rpm
rh-ruby27-rubygem-net-telnet-0.2.0-130.el7.noarch.rpm
rh-ruby27-rubygem-power_assert-1.1.7-130.el7.noarch.rpm
rh-ruby27-rubygem-rake-13.0.1-130.el7.noarch.rpm
rh-ruby27-rubygem-rdoc-6.2.1.1-130.el7.noarch.rpm
rh-ruby27-rubygem-test-unit-3.3.4-130.el7.noarch.rpm
rh-ruby27-rubygem-xmlrpc-0.3.0-130.el7.noarch.rpm
rh-ruby27-rubygems-3.1.6-130.el7.noarch.rpm
rh-ruby27-rubygems-devel-3.1.6-130.el7.noarch.rpm

ppc64le:
rh-ruby27-ruby-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.ppc64le.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.ppc64le.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.ppc64le.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.ppc64le.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.ppc64le.rpm

s390x:
rh-ruby27-ruby-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.s390x.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.s390x.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.s390x.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.s390x.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.s390x.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.s390x.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.s390x.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.s390x.rpm

x86_64:
rh-ruby27-ruby-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.x86_64.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.x86_64.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.x86_64.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-racc-1.4.16-130.el7.x86_64.rpm

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

Source:
rh-ruby27-ruby-2.7.4-130.el7.src.rpm

noarch:
rh-ruby27-ruby-doc-2.7.4-130.el7.noarch.rpm
rh-ruby27-rubygem-bundler-2.2.24-130.el7.noarch.rpm
rh-ruby27-rubygem-did_you_mean-1.4.0-130.el7.noarch.rpm
rh-ruby27-rubygem-irb-1.2.6-130.el7.noarch.rpm
rh-ruby27-rubygem-minitest-5.13.0-130.el7.noarch.rpm
rh-ruby27-rubygem-net-telnet-0.2.0-130.el7.noarch.rpm
rh-ruby27-rubygem-power_assert-1.1.7-130.el7.noarch.rpm
rh-ruby27-rubygem-rake-13.0.1-130.el7.noarch.rpm
rh-ruby27-rubygem-rdoc-6.2.1.1-130.el7.noarch.rpm
rh-ruby27-rubygem-test-unit-3.3.4-130.el7.noarch.rpm
rh-ruby27-rubygem-xmlrpc-0.3.0-130.el7.noarch.rpm
rh-ruby27-rubygems-3.1.6-130.el7.noarch.rpm
rh-ruby27-rubygems-devel-3.1.6-130.el7.noarch.rpm

x86_64:
rh-ruby27-ruby-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-debuginfo-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-devel-2.7.4-130.el7.x86_64.rpm
rh-ruby27-ruby-libs-2.7.4-130.el7.x86_64.rpm
rh-ruby27-rubygem-bigdecimal-2.0.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-io-console-0.5.6-130.el7.x86_64.rpm
rh-ruby27-rubygem-json-2.3.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-openssl-2.1.2-130.el7.x86_64.rpm
rh-ruby27-rubygem-psych-3.1.0-130.el7.x86_64.rpm
rh-ruby27-rubygem-racc-1.4.16-130.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-2020-36327
https://access.redhat.com/security/cve/CVE-2021-31799
https://access.redhat.com/security/cve/CVE-2021-31810
https://access.redhat.com/security/cve/CVE-2021-32066
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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