RHSA-2020:2769: Important: ruby security update

Published Jun 30, 2020
·
Updated

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): rubygems: Installing a malicious gem may lead to arbitrary code execution (CVE-2019-8324) ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives (CVE-2018-16396) rubygems: Escape sequence injection vulnerability in verbose (CVE-2019-8321) rubygems: Escape sequence injection vulnerability in gem owner (CVE-2019-8322) rubygems: Escape sequence injection vulnerability in API response handling (CVE-2019-8323) rubygems: Escape sequence injection vulnerability in errors (CVE-2019-8325) 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.

Affected Software

28 affected componentsFixes available
redhat/ruby<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-debuginfo<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-debuginfo<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-devel<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-doc<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-irb<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-libs<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-libs<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-tcltk<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/rubygem-bigdecimal<1.2.0-37.el7_4
1.2.0-37.el7_4
redhat/rubygem-io-console<0.4.2-37.el7_4
0.4.2-37.el7_4
redhat/rubygem-json<1.7.7-37.el7_4
1.7.7-37.el7_4
redhat/rubygem-minitest<4.3.2-37.el7_4
4.3.2-37.el7_4
redhat/rubygem-psych<2.0.0-37.el7_4
2.0.0-37.el7_4
redhat/rubygem-rake<0.9.6-37.el7_4
0.9.6-37.el7_4
redhat/rubygem-rdoc<4.0.0-37.el7_4
4.0.0-37.el7_4
redhat/rubygems<2.0.14.1-37.el7_4
2.0.14.1-37.el7_4
redhat/rubygems-devel<2.0.14.1-37.el7_4
2.0.14.1-37.el7_4
redhat/ruby<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-debuginfo<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-devel<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-libs<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/ruby-tcltk<2.0.0.648-37.el7_4
2.0.0.648-37.el7_4
redhat/rubygem-bigdecimal<1.2.0-37.el7_4
1.2.0-37.el7_4
redhat/rubygem-io-console<0.4.2-37.el7_4
0.4.2-37.el7_4
redhat/rubygem-json<1.7.7-37.el7_4
1.7.7-37.el7_4
redhat/rubygem-psych<2.0.0-37.el7_4
2.0.0-37.el7_4

Remediation

Event History

Jun 30, 2020
Advisory Published
via Red Hat·12:00 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2769?

The severity of RHSA-2020:2769 is categorized as critical due to the potential for arbitrary code execution.

2

How do I fix RHSA-2020:2769?

You can fix RHSA-2020:2769 by updating to the specific remedied version of the Ruby package provided in the advisory.

3

What components are affected by RHSA-2020:2769?

RHSA-2020:2769 affects Ruby, Ruby development libraries, and several RubyGem packages.

4

Is there a workaround for RHSA-2020:2769?

There is no recommended workaround for RHSA-2020:2769; updating to the patched versions is necessary.

5

What risks are associated with not addressing RHSA-2020:2769?

Failure to address RHSA-2020:2769 may result in successful exploitation by attackers leading to arbitrary code execution.

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