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RedHat 8.4 RHSA-2022-0544 Important: Ruby:2.6 Command Injection

red hat
Calendar Grey February 16, 2022
Dist Redhat Esm H88
Red Hat announced a crucial security patch for ruby:2.6. Learn about the identified vulnerabilities and the steps to implement the necessary updates.
An update for the ruby:2.6 module is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

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

Summary

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):
* 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.

Topics%20covered

Topics Covered

security advisory buffer overflow command injection redhat important update ruby:2.6 ftp vulnerabilities

References

https://access.redhat.com/security/cve/CVE-2020-36327 https://access.redhat.com/security/cve/CVE-2021-31799 https://access.redhat.com/security/cve/CVE-2021-31810 https://access.redhat.com/security/cve/CVE-2021-32066 https://access.redhat.com/security/cve/CVE-2021-41817 https://access.redhat.com/security/cve/CVE-2021-41819 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/articles/6206172

Package List

Red Hat Enterprise Linux AppStream EUS (v.8.4):
Source: ruby-2.6.9-108.module+el8.4.0+14070+b3717926.src.rpm rubygem-abrt-0.3.0-4.module+el8.1.0+3653+beb38eb0.src.rpm rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.src.rpm rubygem-mongo-2.8.0-1.module+el8.1.0+3653+beb38eb0.src.rpm rubygem-mysql2-0.5.2-1.module+el8.1.0+3653+beb38eb0.src.rpm rubygem-pg-1.1.4-1.module+el8.1.0+3653+beb38eb0.src.rpm
aarch64: ruby-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm ruby-debuginfo-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm ruby-debugsource-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm ruby-devel-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm ruby-libs-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm ruby-libs-debuginfo-2.6.9-108.module+el8.4.0+14070+b3717926.aarch64.rpm rubygem-bigdecimal-1.4.1-108.module+el8.4.0+14070+b3717926.aarch64.rpm rubygem-bigdecimal-debuginfo-1.4.1-108.module+el8.4.0+14070+b3717926.aarch64.rpm rubygem-bson-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm rubygem-bson-debuginfo-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm rubygem-bson-debugsource-4.5.0-1.module+el8.1.0+3653+beb38eb0.aarch64.rpm rubygem-io-console-0.4.7-108.module+el8.4.0+14070+b3717926.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0544-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0544
Issue date: 2022-02-16

Topic

An update for the ruby:2.6 module is now available for Red Hat EnterpriseLinux 8.4 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow command injection redhat important update ruby:2.6 ftp vulnerabilities

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.8.4) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1958999 - CVE-2020-36327 rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source

1980126 - CVE-2021-31810 ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host

1980128 - CVE-2021-32066 ruby: StartTLS stripping vulnerability in Net::IMAP

1980132 - CVE-2021-31799 rubygem-rdoc: Command injection vulnerability in RDoc

2025104 - CVE-2021-41817 ruby: Regular expression denial of service vulnerability of Date parsing methods

2026757 - CVE-2021-41819 ruby: Cookie prefix spoofing in CGI::Cookie.parse

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