RHSA-2022:6855 - Security Advisory

Topic

An update for rh-ruby30-ruby is now available for Red Hat Software Collections.

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: rh-ruby30-ruby (3.0.4). (BZ#2128628)

Security Fix(es):

• ruby: buffer overflow in CGI.escape_html (CVE-2021-41816)
• 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):

• rh-ruby30 ruby: User-installed rubygems plugins are not being loaded (BZ#2128629)

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 Software Collections (for RHEL Server) 1 for RHEL 7 x86_64
• Red Hat Software Collections (for RHEL Server for System Z) 1 for RHEL 7 s390x
• Red Hat Software Collections (for RHEL Server for IBM Power LE) 1 for RHEL 7 ppc64le
• Red Hat Software Collections (for RHEL Workstation) 1 for RHEL 7 x86_64

Fixes

• BZ - 2025104 - CVE-2021-41817 ruby: Regular expression denial of service vulnerability of Date parsing methods
• BZ - 2026752 - CVE-2021-41816 ruby: buffer overflow in CGI.escape_html
• 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 - 2128628 - rh-ruby30-ruby: Rebase to the latest Ruby 3.0 release [rhscl-3] [rhscl-3.8.z]
• BZ - 2128629 - rh-ruby30 ruby: User-installed rubygems plugins are not being loaded [rhscl-3.8.z]

CVEs

• CVE-2021-41816
• CVE-2021-41817
• CVE-2021-41819
• CVE-2022-28738
• CVE-2022-28739

References

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