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Critical Security Advisory RHSA-2018:3730-01 for rh-ruby24-ruby

red hat
Calendar Grey November 29, 2018
Dist Redhat Esm H88
Significant rh-ruby25-ruby patch resolves various concerns with key security improvements and optimizations for Red Hat.
An update for rh-ruby24-ruby is now available for Red Hat Software Collections

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.
The following packages have been upgraded to a later upstream version: rh-ruby24-ruby (2.4.5), rh-ruby24-rubygems (2.6.14.3), rh-ruby24-rubygem-bigdecimal (1.3.2), rh-ruby24-rubygem-openssl (2.0.9). (BZ#1650590)
Security Fix(es):
* ruby: OpenSSL::X509::Name equality check does not work correctly (CVE-2018-16395)
* ruby: HTTP response splitting in WEBrick (CVE-2017-17742)
* ruby: DoS by large request in WEBrick (CVE-2018-8777)
* ruby: Buffer under-read in String#unpack (CVE-2018-8778)
* ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780)
* ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives (CVE-2018-16396)
* 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)
* ruby: Unintentional file and directory creation with directory traversal in tempfile and tmpdir (CVE-2018-6914)
* ruby: Unintentional socket creation by poisoned NULL byte in UNIXServer and UNIXSocket (CVE-2018-8779)
* 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, and other related information, refer to the CVE page(s) listed in the References section.

References

https://access.redhat.com/security/cve/CVE-2017-17742 https://access.redhat.com/security/cve/CVE-2018-6914 https://access.redhat.com/security/cve/CVE-2018-8777 https://access.redhat.com/security/cve/CVE-2018-8778 https://access.redhat.com/security/cve/CVE-2018-8779 https://access.redhat.com/security/cve/CVE-2018-8780 https://access.redhat.com/security/cve/CVE-2018-16395 https://access.redhat.com/security/cve/CVE-2018-16396 https://access.redhat.com/security/cve/CVE-2018-1000073 https://access.redhat.com/security/cve/CVE-2018-1000074 https://access.redhat.com/security/cve/CVE-2018-1000075 https://access.redhat.com/security/cve/CVE-2018-1000076 https://access.redhat.com/security/cve/CVE-2018-1000077 https://access.redhat.com/security/cve/CVE-2018-1000078 https://access.redhat.com/security/cve/CVE-2018-1000079 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6):
Source: rh-ruby24-ruby-2.4.5-91.el6.src.rpm
noarch: rh-ruby24-ruby-doc-2.4.5-91.el6.noarch.rpm rh-ruby24-ruby-irb-2.4.5-91.el6.noarch.rpm rh-ruby24-rubygem-minitest-5.10.1-91.el6.noarch.rpm rh-ruby24-rubygem-power_assert-0.4.1-91.el6.noarch.rpm rh-ruby24-rubygem-rake-12.0.0-91.el6.noarch.rpm rh-ruby24-rubygem-rdoc-5.0.0-91.el6.noarch.rpm rh-ruby24-rubygem-test-unit-3.2.3-91.el6.noarch.rpm rh-ruby24-rubygem-xmlrpc-0.2.1-91.el6.noarch.rpm rh-ruby24-rubygems-2.6.14.3-91.el6.noarch.rpm rh-ruby24-rubygems-devel-2.6.14.3-91.el6.noarch.rpm
x86_64: rh-ruby24-ruby-2.4.5-91.el6.x86_64.rpm rh-ruby24-ruby-debuginfo-2.4.5-91.el6.x86_64.rpm rh-ruby24-ruby-devel-2.4.5-91.el6.x86_64.rpm rh-ruby24-ruby-libs-2.4.5-91.el6.x86_64.rpm rh-ruby24-rubygem-bigdecimal-1.3.2-91.el6.x86_64.rpm rh-ruby24-rubygem-did_you_mean-1.1.0-91.el6.x86_64.rpm rh-ruby24-rubygem-io-console-0.4.6-91.el6.x86_64.rpm rh-ruby24-rubygem-json-2.0.4-91.el6.x86_64.rpm rh-ruby24-rubygem-net-telnet-0.1.1-91.el6.x86_64.rpm rh-ruby24-rubygem-openssl-2.0.9-91.el6.x86_64.rpm rh-ruby24-rubygem-psych-2.2.2-91.el6.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6):
Source: rh-ruby24-ruby-2.4.5-91.el6.src.rpm
noarch:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:3730-01
Product: Red Hat Software Collections
Issue date: 2018-11-29

Topic

An update for rh-ruby24-ruby is now available for Red Hat SoftwareCollections.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.

Relevant Releases Architectures

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch, x86_64

Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Bugs Fixed

1547418 - CVE-2018-1000073 rubygems: Path traversal when writing to a symlinked basedir outside of the root

1547419 - CVE-2018-1000074 rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on specially crafted YAML

1547420 - CVE-2018-1000075 rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service

1547421 - CVE-2018-1000076 rubygems: Improper verification of signatures in tarball allows to install mis-signed gem

1547422 - CVE-2018-1000077 rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage URL

1547425 - CVE-2018-1000078 rubygems: XSS vulnerability in homepage attribute when displayed via gem server

1547426 - CVE-2018-1000079 rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations

1561947 - CVE-2018-6914 ruby: Unintentional file and directory creation with directory traversal in tempfile and tmpdir

1561948 - CVE-2018-8779 ruby: Unintentional socket creation by poisoned NULL byte in UNIXServer and UNIXSocket

1561949 - CVE-2018-8780 ruby: Unintentional directory traversal by poisoned NULL byte in Dir

1561950 - CVE-2018-8777 ruby: DoS by large request in WEBrick

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

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

Read the Full Advisory

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