RHSA-2022:0708 - Security Advisory

Topic

An update for rh-ruby26-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.

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-ruby26-ruby (2.6.9). (BZ#2056947)

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)
• 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)

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.

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

CVEs

• CVE-2020-36327
• CVE-2021-31799
• CVE-2021-31810
• CVE-2021-32066
• CVE-2021-41817
• CVE-2021-41819

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/articles/6206172