RHEL 8 : ruby:2.6 (RHSA-2021:2588)

high Nessus Plugin ID 151143

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-2021:2588 advisory.

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

- ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)

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

- 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)

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/41.html

https://cwe.mitre.org/data/definitions/94.html

https://cwe.mitre.org/data/definitions/113.html

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/444.html

https://cwe.mitre.org/data/definitions/552.html

https://cwe.mitre.org/data/definitions/611.html

https://cwe.mitre.org/data/definitions/626.html

https://cwe.mitre.org/data/definitions/805.html

https://access.redhat.com/security/cve/CVE-2019-3881

https://access.redhat.com/security/cve/CVE-2019-15845

https://access.redhat.com/security/cve/CVE-2019-16201

https://access.redhat.com/security/cve/CVE-2019-16254

https://access.redhat.com/security/cve/CVE-2019-16255

https://access.redhat.com/security/cve/CVE-2020-10663

https://access.redhat.com/security/cve/CVE-2020-10933

https://access.redhat.com/security/cve/CVE-2020-25613

https://access.redhat.com/security/cve/CVE-2021-28965

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

https://bugzilla.redhat.com/1651826

https://bugzilla.redhat.com/1773728

https://bugzilla.redhat.com/1789407

https://bugzilla.redhat.com/1789556

https://bugzilla.redhat.com/1793683

https://bugzilla.redhat.com/1827500

https://bugzilla.redhat.com/1833291

https://bugzilla.redhat.com/1883623

https://bugzilla.redhat.com/1947526

Plugin Details

Severity: High

ID: 151143

File Name: redhat-RHSA-2021-2588.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/29/2021

Updated: 10/7/2021

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

Risk Information

CVSS Score Source: CVE-2019-16255

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:ruby, p-cpe:/a:redhat:enterprise_linux:ruby-devel, p-cpe:/a:redhat:enterprise_linux:ruby-doc, p-cpe:/a:redhat:enterprise_linux:ruby-libs, p-cpe:/a:redhat:enterprise_linux:rubygem-abrt, p-cpe:/a:redhat:enterprise_linux:rubygem-abrt-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-bigdecimal, p-cpe:/a:redhat:enterprise_linux:rubygem-bson, p-cpe:/a:redhat:enterprise_linux:rubygem-bson-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-bundler, p-cpe:/a:redhat:enterprise_linux:rubygem-did_you_mean, p-cpe:/a:redhat:enterprise_linux:rubygem-io-console, p-cpe:/a:redhat:enterprise_linux:rubygem-irb, p-cpe:/a:redhat:enterprise_linux:rubygem-json, p-cpe:/a:redhat:enterprise_linux:rubygem-minitest, p-cpe:/a:redhat:enterprise_linux:rubygem-mongo, p-cpe:/a:redhat:enterprise_linux:rubygem-mongo-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2, p-cpe:/a:redhat:enterprise_linux:rubygem-mysql2-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-net-telnet, p-cpe:/a:redhat:enterprise_linux:rubygem-openssl, p-cpe:/a:redhat:enterprise_linux:rubygem-pg, p-cpe:/a:redhat:enterprise_linux:rubygem-pg-doc, p-cpe:/a:redhat:enterprise_linux:rubygem-power_assert, p-cpe:/a:redhat:enterprise_linux:rubygem-psych, p-cpe:/a:redhat:enterprise_linux:rubygem-rake, p-cpe:/a:redhat:enterprise_linux:rubygem-rdoc, p-cpe:/a:redhat:enterprise_linux:rubygem-test-unit, p-cpe:/a:redhat:enterprise_linux:rubygem-xmlrpc, p-cpe:/a:redhat:enterprise_linux:rubygems, p-cpe:/a:redhat:enterprise_linux:rubygems-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/29/2021

Vulnerability Publication Date: 11/26/2019

Reference Information

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

RHSA: 2021:2588

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