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Red Hat OpenShift 4.2: RHSA-2020-2306-01 Moderate: Kubernetes DoS Issue

red hat
Calendar Grey June 3, 2020
Dist Redhat Esm H88
Red Hat has released a security notice for OpenShift Container Platform 4.2.34 addressing a denial-of-service vulnerability in the API server.
An update for ose-openshift-apiserver-container is now available for Red Hat OpenShift Container Platform 4.2

Solution

For OpenShift Container Platform 4.2 see the following documentation, which will be updated shortly for release 4.2.34, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.2/html/release_notes/ocp-4-2-release-notes

Details on how to access this content are available at - -cli.html.

Summary

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
Security Fix(es):
* kubernetes: A denial of service vulnerability in the Kubernetes API server allowed repeated, crafted HTTP requests to exhaust available memory and cause a crash (CVE-2020-8552)
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.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat kubernetes open shift api server

References

https://access.redhat.com/security/cve/CVE-2020-8552 https://access.redhat.com/security/updates/classification#moderate

Package List


Advisory ID: RHSA-2020:2306-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2306
Issue date: 2020-06-03

Topic

An update for ose-openshift-apiserver-container is now available for RedHat OpenShift Container Platform 4.2.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat kubernetes open shift api server

Relevant Releases Architectures

Bugs Fixed

1797909 - CVE-2020-8552 kubernetes: Use of unbounded 'client' label in apiserver_request_total allows for memory exhaustion

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