Issued:

2021-06-29

Updated:

2021-06-29

RHSA-2021:2588 - Moderate: ruby:2.6 security, bug fix, and enhancement update

Synopsis

Moderate: ruby:2.6 security, bug fix, and enhancement update

Type/Severity

Security Advisory Moderate

Topic

An update for the ruby:2.6 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 (2.6.7). (BZ#1952627)

Security Fix(es):

• rubygem-bundler: Insecure permissions on directory in /tmp/ allows for execution of malicious code (CVE-2019-3881)

• ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845)

• ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201)

• ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)

• rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663)

• ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933)

• ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613)

• ruby: XML round-trip vulnerability in REXML (CVE-2021-28965)

• ruby: HTTP response splitting in WEBrick (CVE-2019-16254)

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):

• Resolv::DNS: ruby:2.6/ruby: timeouts if multiple IPv6 name servers are given and address contains leading zero [rhel-8] (BZ#1954968)

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

Updated Packages

• rubygem-pg-doc-1.1.4-1.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-did_you_mean-1.3.0-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• rubygem-abrt-0.3.0-4.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-mysql2-debuginfo-0.5.2-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-io-console-debuginfo-0.4.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-mongo-doc-2.8.0-1.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-pg-debugsource-1.1.4-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• rubygem-xmlrpc-0.3.0-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• ruby-libs-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.src.rpm
• rubygem-mysql2-debugsource-0.5.2-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• rubygem-psych-3.1.0-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-json-debuginfo-2.1.0-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-pg-debuginfo-1.1.4-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• rubygem-bson-debugsource-4.5.0-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• ruby-debugsource-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-json-2.1.0-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-minitest-5.11.3-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-json-2.1.0-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-bson-doc-4.5.0-1.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-abrt-doc-0.3.0-4.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.src.rpm
• rubygem-psych-3.1.0-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-io-console-0.4.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygems-devel-3.0.3.1-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-openssl-debuginfo-2.1.2-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-irb-1.0.0-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-bundler-1.17.2-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• ruby-libs-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• ruby-debugsource-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-psych-debuginfo-3.1.0-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-openssl-2.1.2-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-rdoc-6.1.2-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• ruby-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-bigdecimal-1.4.1-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-json-debuginfo-2.1.0-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-openssl-debuginfo-2.1.2-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-power_assert-1.1.3-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• ruby-devel-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• ruby-libs-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-mongo-2.8.0-1.module+el8.1.0+3653+beb38eb0.noarch.rpm
• rubygem-io-console-0.4.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-openssl-2.1.2-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.src.rpm
• rubygem-bigdecimal-1.4.1-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygems-3.0.3.1-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-bson-debuginfo-4.5.0-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.src.rpm
• ruby-doc-2.6.7-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-net-telnet-0.2.0-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-rake-12.3.3-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• ruby-libs-2.6.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• ruby-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.x86_64.rpm
• rubygem-mongo-2.8.0-1.module+el8.1.0+3653+beb38eb0.src.rpm
• rubygem-abrt-0.3.0-4.module+el8.1.0+3653+beb38eb0.src.rpm
• rubygem-psych-debuginfo-3.1.0-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-mysql2-doc-0.5.2-1.module+el8.1.0+3653+beb38eb0.noarch.rpm
• ruby-devel-2.6.7-107.module+el8.4.0+10830+bbd85cce.x86_64.rpm
• rubygem-test-unit-3.2.9-107.module+el8.4.0+10830+bbd85cce.noarch.rpm
• rubygem-io-console-debuginfo-0.4.7-107.module+el8.4.0+10830+bbd85cce.i686.rpm
• rubygem-openssl-2.1.2-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-bson-debugsource-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• ruby-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-json-debuginfo-2.1.0-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• ruby-libs-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-io-console-0.4.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• ruby-devel-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-json-2.1.0-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• ruby-libs-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-pg-debugsource-1.1.4-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-psych-3.1.0-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-openssl-debuginfo-2.1.2-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-psych-debuginfo-3.1.0-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• ruby-debugsource-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-mysql2-debuginfo-0.5.2-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-mysql2-debugsource-0.5.2-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-bigdecimal-1.4.1-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-bson-debuginfo-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-io-console-debuginfo-0.4.7-107.module+el8.4.0+10830+bbd85cce.aarch64.rpm
• rubygem-pg-debuginfo-1.1.4-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm
• rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• ruby-debugsource-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-openssl-2.1.2-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-psych-debuginfo-3.1.0-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-psych-3.1.0-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-mysql2-debuginfo-0.5.2-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-bson-debugsource-4.5.0-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• ruby-libs-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-bson-debuginfo-4.5.0-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-mysql2-debugsource-0.5.2-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-openssl-debuginfo-2.1.2-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-pg-debuginfo-1.1.4-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• ruby-devel-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-json-debuginfo-2.1.0-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-json-2.1.0-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• ruby-libs-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-bigdecimal-1.4.1-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• ruby-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-io-console-debuginfo-0.4.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-pg-debugsource-1.1.4-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.ppc64le.rpm
• rubygem-io-console-0.4.7-107.module+el8.4.0+10830+bbd85cce.ppc64le.rpm
• rubygem-openssl-2.1.2-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-openssl-debuginfo-2.1.2-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• ruby-devel-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• ruby-libs-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-json-debuginfo-2.1.0-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-bigdecimal-1.4.1-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-psych-3.1.0-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-psych-debuginfo-3.1.0-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• ruby-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-io-console-debuginfo-0.4.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-mysql2-debugsource-0.5.2-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• ruby-libs-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-bson-debuginfo-4.5.0-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• rubygem-io-console-0.4.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-json-2.1.0-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• rubygem-bson-debugsource-4.5.0-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• ruby-debugsource-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm
• rubygem-pg-debuginfo-1.1.4-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• rubygem-pg-debugsource-1.1.4-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• rubygem-mysql2-debuginfo-0.5.2-1.module+el8.1.0+3653+beb38eb0.s390x.rpm
• ruby-debuginfo-2.6.7-107.module+el8.4.0+10830+bbd85cce.s390x.rpm

Fixes

• This content is not included.BZ - 1651826
• This content is not included.BZ - 1773728
• This content is not included.BZ - 1789407
• This content is not included.BZ - 1789556
• This content is not included.BZ - 1793683
• This content is not included.BZ - 1827500
• This content is not included.BZ - 1833291
• This content is not included.BZ - 1883623
• This content is not included.BZ - 1947526
• This content is not included.BZ - 1952627
• This content is not included.BZ - 1954968

CVEs

• CVE-2019-3881
• CVE-2019-15845
• CVE-2019-16201
• CVE-2019-16254
• CVE-2019-16255
• CVE-2020-10663
• CVE-2020-10933
• CVE-2020-25613
• CVE-2021-28965

References

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

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.