Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 526
Alerts This Week
Warning Icon 1 526

Red Hat 8.1 RHSA-2022-0581 Critical: Ruby 2.6 DoS and Code Injection

red hat
Calendar Grey February 21, 2022
Dist Redhat Esm H88
Essential security enhancement: Ruby version 2.6 update launched for Red Hat Enterprise Linux 8.1 addressing various weaknesses with significant implications.
An update for the ruby:2.6 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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)
* 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)
* 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)
* 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.

Topics%20covered

Topics Covered

security advisory Red Hat DoS code injection ruby patch

References

https://access.redhat.com/security/cve/CVE-2019-15845 https://access.redhat.com/security/cve/CVE-2019-16201 https://access.redhat.com/security/cve/CVE-2019-16254 https://access.redhat.com/security/cve/CVE-2019-16255 https://access.redhat.com/security/cve/CVE-2020-10663 https://access.redhat.com/security/cve/CVE-2020-10933 https://access.redhat.com/security/cve/CVE-2020-25613 https://access.redhat.com/security/cve/CVE-2020-36327 https://access.redhat.com/security/cve/CVE-2021-28965 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 E4S (v. 8.1):
Source: ruby-2.6.9-107.module+el8.1.0+14088+04cf326e.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-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm ruby-debuginfo-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm ruby-debugsource-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm ruby-devel-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm ruby-libs-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm ruby-libs-debuginfo-2.6.9-107.module+el8.1.0+14088+04cf326e.aarch64.rpm rubygem-bigdecimal-1.4.1-107.module+el8.1.0+14088+04cf326e.aarch64.rpm rubygem-bigdecimal-debuginfo-1.4.1-107.module+el8.1.0+14088+04cf326e.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-0.4.7-107.module+el8.1.0+14088+04cf326e.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0581-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0581
Issue date: 2022-02-21

Topic

An update for the ruby:2.6 module is now available for Red Hat EnterpriseLinux 8.1 Update Services for SAP Solutions.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 Red Hat DoS code injection ruby patch

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1773728 - CVE-2019-16201 ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication

1789407 - CVE-2019-15845 ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch?

1789556 - CVE-2019-16254 ruby: HTTP response splitting in WEBrick

1793683 - CVE-2019-16255 ruby: Code injection via command argument of Shell#test / Shell#[]

1827500 - CVE-2020-10663 rubygem-json: Unsafe object creation vulnerability in JSON

1833291 - CVE-2020-10933 ruby: BasicSocket#read_nonblock method leads to information disclosure

1883623 - CVE-2020-25613 ruby: Potential HTTP request smuggling in WEBrick

1947526 - CVE-2021-28965 ruby: XML round-trip vulnerability in REXML

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.