RHSA-2020:5194: Moderate: OpenShift Container Platform 4.5.21 bug fix and security update

Published Dec 1, 2020
·
Updated

Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud deployments.Security Fix(es): kubernetes: compromised node could escalate to cluster level privileges (CVE-2020-8559) 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.This advisory contains the container images for Red Hat OpenShift ContainerPlatform 4.5.21. See the following advisory for the RPM packages for thisrelease:https://access.redhat.com/errata/RHBA-2020:5193 Space precludes documenting all of the container images in this advisory.See the following Release Notes documentation, which will be updatedshortly for this release, for details about these changes:https://docs.openshift.com/container-platform/4.5/releasenotes/ocp-4-5-release-notes.html This update fixes the following bug among others: Previously, the Image Registry Operator did not generate the httpSecret when it was empty. This caused the httpSecret to not be set correctly. Now, the Operator generates the httpSecret and uses it for all replicas when the configuration file is created. (BZ#1895856) You may download the oc tool and use it to inspect release image metadataas follows:(For x8664 architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.5.21-x8664The image digest is sha256:7684a3daa92827b313a682b3615f2a348a941f8557b5b509b736226f40e01e07(For s390x architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.5.21-s390xThe image digest is sha256:6e73d6be6b76ac33c715b58bdcc4691469d2813282c0b34cf6918836a4b9f678(For ppc64le architecture)$ oc adm release infoquay.io/openshift-release-dev/ocp-release:4.5.21-ppc64leThe image digest is sha256:168d64a254b218ece47554ff2fc175714d9fcbe8b45136c6d4587fef317bc962All OpenShift Container Platform 4.5 users are advised to upgrade to theseupdated packages and images when they are available in the appropriaterelease channel. To check for available updates, use the OpenShift Consoleor the CLI oc command. Instructions for upgrading a cluster are availableathttps://docs.openshift.com/container-platform/4.5/updating/updating-cluster-between-minor.html#understanding-upgrade-channelsupdating-cluster-between-minor.

Affected Software

1 affected component
Red Hat OpenShift Container Platform

Remediation

Event History

Dec 1, 2020
Advisory Published
12:00 AM
Data Sourced
12:00 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:5194?

The severity of RHSA-2020:5194 is classified as critical due to the potential for privilege escalation in Kubernetes.

2

How do I fix RHSA-2020:5194?

To fix RHSA-2020:5194, you should update your Red Hat OpenShift Container Platform to the latest patch version.

3

What is the impact of RHSA-2020:5194?

The impact of RHSA-2020:5194 allows a compromised node to escalate privileges to the cluster level, potentially compromising the entire Kubernetes environment.

4

Is RHSA-2020:5194 related to CVE-2020-8559?

Yes, RHSA-2020:5194 is associated with CVE-2020-8559, which describes the vulnerability that allows for privilege escalation.

5

When was RHSA-2020:5194 released?

RHSA-2020:5194 was released to address security vulnerabilities in the OpenShift Container Platform in 2020.

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