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RedHat: RHSA-2020-2212-01 Moderate: Ruby HTTP Response Splitting

red hat
Calendar Grey May 19, 2020
Dist Redhat Esm H88
Significant ruby patch release for Red Hat Enterprise Linux, including two essential corrections for operational security and system robustness.
An update for ruby is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Lin...

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):
* ruby: HTTP response splitting in WEBrick (CVE-2017-17742)
* ruby: Buffer under-read in String#unpack (CVE-2018-8778)
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 security fix Red Hat Enterprise Linux moderate severity ruby update HTTP response splitting buffer under-read

References

https://access.redhat.com/security/cve/CVE-2017-17742 https://access.redhat.com/security/cve/CVE-2018-8778 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Server AUS (v. 7.4):
Source: ruby-2.0.0.648-36.el7_4.src.rpm
noarch: ruby-irb-2.0.0.648-36.el7_4.noarch.rpm rubygem-rdoc-4.0.0-36.el7_4.noarch.rpm rubygems-2.0.14.1-36.el7_4.noarch.rpm
x86_64: ruby-2.0.0.648-36.el7_4.x86_64.rpm ruby-debuginfo-2.0.0.648-36.el7_4.i686.rpm ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm ruby-libs-2.0.0.648-36.el7_4.i686.rpm ruby-libs-2.0.0.648-36.el7_4.x86_64.rpm rubygem-bigdecimal-1.2.0-36.el7_4.x86_64.rpm rubygem-io-console-0.4.2-36.el7_4.x86_64.rpm rubygem-json-1.7.7-36.el7_4.x86_64.rpm rubygem-psych-2.0.0-36.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source: ruby-2.0.0.648-36.el7_4.src.rpm
noarch: ruby-irb-2.0.0.648-36.el7_4.noarch.rpm rubygem-rdoc-4.0.0-36.el7_4.noarch.rpm rubygems-2.0.14.1-36.el7_4.noarch.rpm
ppc64le: ruby-2.0.0.648-36.el7_4.ppc64le.rpm ruby-debuginfo-2.0.0.648-36.el7_4.ppc64le.rpm ruby-libs-2.0.0.648-36.el7_4.ppc64le.rpm rubygem-bigdecimal-1.2.0-36.el7_4.ppc64le.rpm rubygem-io-console-0.4.2-36.el7_4.ppc64le.rpm rubygem-json-1.7.7-36.el7_4.ppc64le.rpm rubygem-psych-2.0.0-36.el7_4.ppc64le.rpm
x86_64: ruby-2.0.0.648-36.el7_4.x86_64.rpm ruby-debuginfo-2.0.0.648-36.el7_4.i686.rpm ruby-debuginfo-2.0.0.648-36.el7_4.x86_64.rpm ruby-libs-2.0.0.648-36.el7_4.i686.rpm

Read the Full Advisory


Severity
medium
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2212-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2212
Issue date: 2020-05-19

Topic

An update for ruby is now available for Red Hat Enterprise Linux 7.4Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended UpdateSupport, and Red Hat Enterprise Linux 7.4 Update Services for SAPSolutions.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security fix Red Hat Enterprise Linux moderate severity ruby update HTTP response splitting buffer under-read

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server E4S (v. 7.4) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - noarch, ppc64le, x86_64

Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - noarch, x86_64

Red Hat Enterprise Linux Server TUS (v. 7.4) - noarch, x86_64

Bugs Fixed

1561952 - CVE-2017-17742 ruby: HTTP response splitting in WEBrick

1561953 - CVE-2018-8778 ruby: Buffer under-read in String#unpack

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