Moderate: ruby:3.0 security, bug fix, and enhancement update

Topic

An update for the ruby:3.0 module is now available for Red Hat Enterprise Linux 8.

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.

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: ruby (3.0.4). (BZ#2109431)

Security Fix(es):

• ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)
• ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)
• Ruby: Double free in Regexp compilation (CVE-2022-28738)
• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

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.

Bug Fix(es):

• ruby 3.0: User-installed rubygems plugins are not being loaded [RHEL8] (BZ#2110981)

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

• BZ - 2025104 - CVE-2021-41817 ruby: Regular expression denial of service vulnerability of Date parsing methods
• BZ - 2026757 - CVE-2021-41819 ruby: Cookie prefix spoofing in CGI::Cookie.parse
• BZ - 2075685 - CVE-2022-28738 Ruby: Double free in Regexp compilation
• BZ - 2075687 - CVE-2022-28739 Ruby: Buffer overrun in String-to-Float conversion
• BZ - 2109431 - ruby:3.0/ruby: Rebase to the latest Ruby 3.0 release [rhel-8] [rhel-8.6.0.z]
• BZ - 2110981 - ruby 3.0: User-installed rubygems plugins are not being loaded [RHEL8] [rhel-8.6.0.z]

CVEs

• CVE-2021-41817
• CVE-2021-41819
• CVE-2022-28738
• CVE-2022-28739

References

• https://access.redhat.com/security/updates/classification/#moderate