AlmaLinux 8 : ruby:2.6 (ALSA-2021:2588)

high Nessus Plugin ID 179413

Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:2588 advisory.

* rubygem-bundler: Insecure permissions on directory in /tmp/ allows for execution of malicious code (CVE-2019-3881)

* 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)

* ruby: HTTP response splitting in WEBrick (CVE-2019-16254)

Tenable has extracted the preceding description block directly from the AlmaLinux 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.

See Also

https://access.redhat.com/errata/RHSA-2021:2588

https://errata.almalinux.org/8/ALSA-2021-2588.html

Plugin Details

Severity: High

ID: 179413

File Name: alma_linux_ALSA-2021-2588.nasl

Version: 1.1

Type: local

Published: 8/7/2023

Updated: 1/13/2025

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-16255

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/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:alma:linux:rubygem-mongo, p-cpe:/a:alma:linux:rubygem-test-unit, p-cpe:/a:alma:linux:rubygem-bigdecimal, p-cpe:/a:alma:linux:rubygem-rake, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:ruby-doc, p-cpe:/a:alma:linux:rubygem-abrt, p-cpe:/a:alma:linux:rubygem-json, p-cpe:/a:alma:linux:rubygem-mongo-doc, p-cpe:/a:alma:linux:rubygem-did_you_mean, p-cpe:/a:alma:linux:rubygem-rdoc, p-cpe:/a:alma:linux:rubygem-net-telnet, p-cpe:/a:alma:linux:rubygem-power_assert, p-cpe:/a:alma:linux:rubygem-bson, p-cpe:/a:alma:linux:rubygem-irb, p-cpe:/a:alma:linux:rubygem-bson-doc, p-cpe:/a:alma:linux:rubygem-bundler, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:rubygem-pg, p-cpe:/a:alma:linux:rubygem-mysql2-doc, p-cpe:/a:alma:linux:ruby-libs, p-cpe:/a:alma:linux:rubygem-psych, p-cpe:/a:alma:linux:rubygems, p-cpe:/a:alma:linux:rubygem-minitest, p-cpe:/a:alma:linux:rubygem-io-console, p-cpe:/a:alma:linux:rubygem-openssl, p-cpe:/a:alma:linux:rubygem-xmlrpc, p-cpe:/a:alma:linux:rubygem-pg-doc, p-cpe:/a:alma:linux:ruby-devel, p-cpe:/a:alma:linux:rubygem-mysql2, p-cpe:/a:alma:linux:ruby, p-cpe:/a:alma:linux:rubygems-devel, p-cpe:/a:alma:linux:rubygem-abrt-doc

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/29/2021

Vulnerability Publication Date: 11/26/2019

Reference Information

CVE: CVE-2019-15845, CVE-2019-16201, CVE-2019-16254, CVE-2019-16255, CVE-2019-3881, CVE-2020-10663, CVE-2020-10933, CVE-2020-25613, CVE-2021-28965

CWE: 113, 20, 200, 400, 41, 444, 552, 611, 626, 805, 94