RHSA-2020:0542: Moderate: ruby security update

Published Feb 18, 2020
·
Updated

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): ruby: DoS by large request in WEBrick (CVE-2018-8777) ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780) rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073) rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML (CVE-2018-1000074) rubygems: Improper verification of signatures in tarball allows to install mis-signed gem (CVE-2018-1000076) rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL (CVE-2018-1000077) rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078) rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations (CVE-2018-1000079) rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service (CVE-2018-1000075) 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.

Affected Software

34 affected componentsFixes available
redhat/ruby<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-debuginfo<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-debuginfo<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-devel<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-doc<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-irb<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-libs<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-libs<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-tcltk<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/rubygem-bigdecimal<1.2.0-35.el7_5
1.2.0-35.el7_5
redhat/rubygem-io-console<0.4.2-35.el7_5
0.4.2-35.el7_5
redhat/rubygem-json<1.7.7-35.el7_5
1.7.7-35.el7_5
redhat/rubygem-minitest<4.3.2-35.el7_5
4.3.2-35.el7_5
redhat/rubygem-psych<2.0.0-35.el7_5
2.0.0-35.el7_5
redhat/rubygem-rake<0.9.6-35.el7_5
0.9.6-35.el7_5
redhat/rubygem-rdoc<4.0.0-35.el7_5
4.0.0-35.el7_5
redhat/rubygems<2.0.14.1-35.el7_5
2.0.14.1-35.el7_5
redhat/rubygems-devel<2.0.14.1-35.el7_5
2.0.14.1-35.el7_5
redhat/ruby-devel<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-tcltk<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/rubygem-bigdecimal<1.2.0-35.el7_5
1.2.0-35.el7_5
redhat/rubygem-io-console<0.4.2-35.el7_5
0.4.2-35.el7_5
redhat/rubygem-json<1.7.7-35.el7_5
1.7.7-35.el7_5
redhat/rubygem-psych<2.0.0-35.el7_5
2.0.0-35.el7_5
redhat/ruby<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-debuginfo<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-devel<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-libs<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/ruby-tcltk<2.0.0.648-35.el7_5
2.0.0.648-35.el7_5
redhat/rubygem-bigdecimal<1.2.0-35.el7_5
1.2.0-35.el7_5
redhat/rubygem-io-console<0.4.2-35.el7_5
0.4.2-35.el7_5
redhat/rubygem-json<1.7.7-35.el7_5
1.7.7-35.el7_5
redhat/rubygem-psych<2.0.0-35.el7_5
2.0.0-35.el7_5

Remediation

Event History

Feb 18, 2020
Advisory Published
via Red Hat·12:00 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2020:0542?

The severity of RHSA-2020:0542 is not explicitly categorized but includes critical vulnerabilities that may lead to denial of service.

2

How do I fix RHSA-2020:0542?

To fix RHSA-2020:0542, update the ruby packages to version 2.0.0.648-35.el7_5.

3

What vulnerabilities are addressed in RHSA-2020:0542?

RHSA-2020:0542 addresses a denial of service vulnerability in WEBrick (CVE-2018-8777) and other potential directory traversal issues.

4

Which Ruby packages are affected by RHSA-2020:0542?

Affected Ruby packages in RHSA-2020:0542 include ruby, ruby-devel, ruby-libs, and others.

5

Who should apply the RHSA-2020:0542 update?

System administrators using affected versions of Ruby should apply the RHSA-2020:0542 update to mitigate risks.

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