RHEL 8 : ruby:3.0 (RHSA-2022:6450)

critical Nessus Plugin ID 164972

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Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:6450 advisory.

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: ruby (3.0.4). (BZ#2109431)

Security Fix(es):

* 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: Double free in Regexp compilation (CVE-2022-28738)

* Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

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.

Bug Fix(es):

* ruby 3.0: User-installed rubygems plugins are not being loaded [RHEL8] (BZ#2110981)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 164972

File Name: redhat-RHSA-2022-6450.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/13/2022

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2022-28738

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-typeprof, p-cpe:/a:redhat:enterprise_linux:rubygem-json, p-cpe:/a:redhat:enterprise_linux:rubygem-rdoc, p-cpe:/a:redhat:enterprise_linux:rubygem-bundler, p-cpe:/a:redhat:enterprise_linux:rubygem-abrt, p-cpe:/a:redhat:enterprise_linux:rubygem-io-console, p-cpe:/a:redhat:enterprise_linux:rubygem-psych, p-cpe:/a:redhat:enterprise_linux:rubygem-rbs, p-cpe:/a:redhat:enterprise_linux:rubygem-minitest, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:ruby-libs, p-cpe:/a:redhat:enterprise_linux:rubygem-irb, cpe:/o:redhat:rhel_eus:8.6, p-cpe:/a:redhat:enterprise_linux:rubygem-rss, p-cpe:/a:redhat:enterprise_linux:rubygem-bigdecimal, p-cpe:/a:redhat:enterprise_linux:rubygems-devel, p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2, p-cpe:/a:redhat:enterprise_linux:rubygem-abrt-doc, p-cpe:/a:redhat:enterprise_linux:ruby-devel, p-cpe:/a:redhat:enterprise_linux:rubygem-pg, p-cpe:/a:redhat:enterprise_linux:ruby-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-power_assert, p-cpe:/a:redhat:enterprise_linux:rubygems, p-cpe:/a:redhat:enterprise_linux:ruby-default-gems, p-cpe:/a:redhat:enterprise_linux:rubygem-test-unit, p-cpe:/a:redhat:enterprise_linux:rubygem-pg-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-rake, p-cpe:/a:redhat:enterprise_linux:ruby, p-cpe:/a:redhat:enterprise_linux:rubygem-rexml

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/13/2022

Vulnerability Publication Date: 1/1/2022

Reference Information

CVE: CVE-2021-41817, CVE-2021-41819, CVE-2022-28738, CVE-2022-28739

CWE: 125, 400, 415

RHSA: 2022:6450

Detections

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