RHCOS 3 : OpenShift Container Platform 3.11 (RHSA-2020:2992)

high Nessus Plugin ID 312533

Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 3.11.

Description

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2992 advisory.

- cri-o: infra container reparented to systemd following OOM Killer killing it's conmon (CVE-2019-14891)

- nodejs-minimist: prototype pollution allows adding or modifying properties of Object.prototype using a constructor or __proto__ payload (CVE-2020-7598)

- kubernetes: Use of unbounded 'client' label in apiserver_request_total allows for memory exhaustion (CVE-2020-8552)

- kubernetes: node localhost services reachable via martian packets (CVE-2020-8558)

- proglottis/gpgme: Use-after-free in GPGME bindings during container image pull (CVE-2020-8945)

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 RHCOS OpenShift Container Platform 3.11 package based on the guidance in RHSA-2020:2992.

See Also

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1767665

https://bugzilla.redhat.com/show_bug.cgi?id=1772280

https://bugzilla.redhat.com/show_bug.cgi?id=1795838

https://bugzilla.redhat.com/show_bug.cgi?id=1797909

https://bugzilla.redhat.com/show_bug.cgi?id=1813344

https://bugzilla.redhat.com/show_bug.cgi?id=1843358

http://www.nessus.org/u?1dfdc98b

https://access.redhat.com/errata/RHSA-2020:2992

Plugin Details

Severity: High

ID: 312533

File Name: rhcos-RHSA-2020-2992.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

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-2020-7598

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/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

CVSS Score Source: CVE-2020-8558

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:atomic-openshift-web-console, p-cpe:/a:redhat:enterprise_linux:atomic-openshift, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-master, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-pod, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-sdn-ovs, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-tests, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-docker-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-template-service-broker, p-cpe:/a:redhat:enterprise_linux:cri-o, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hypershift, cpe:/o:redhat:enterprise_linux:7:coreos

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: 7/27/2020

Vulnerability Publication Date: 11/25/2019

Reference Information

CVE: CVE-2019-14891, CVE-2020-10715, CVE-2020-7598, CVE-2020-8552, CVE-2020-8558, CVE-2020-8945

CWE: 20, 300, 400, 416, 460

RHSA: 2020:2992