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Red Hat OpenShift 4.3 Moderate Advisory: RHSA-2020-3183-01 on Kubernetes

red hat
Calendar Grey August 5, 2020
Dist Redhat Esm H88
The OpenShift Container Platform version 4.3.31 by Red Hat has been updated to resolve moderate security vulnerabilities related to local access within Kubernetes.
An update for openshift is now available for Red Hat OpenShift Container Platform 4.3

Solution

For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.32, 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/4.3/html/release_notes/ocp-4-3-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 flaw was found in Kubernetes that allows attackers on adjacent networks to reach services exposed on localhost ports, previously thought to be unreachable. This flaw allows an attacker to gain privileges or access confidential information for any services listening on localhost ports that are not protected by authentication. (CVE-2020-8558)
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 red hat local access cloud computing kubernetes openshift

References

https://access.redhat.com/security/cve/CVE-2020-8558 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat OpenShift Container Platform 4.3:
Source: openshift-4.3.31-202007280738.p0.git.0.9884401.el7.src.rpm
ppc64le: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el7.ppc64le.rpm
s390x: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el7.s390x.rpm
x86_64: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.3:
Source: openshift-4.3.31-202007280738.p0.git.0.9884401.el8.src.rpm
ppc64le: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el8.ppc64le.rpm
s390x: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el8.s390x.rpm
x86_64: openshift-hyperkube-4.3.31-202007280738.p0.git.0.9884401.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Advisory ID: RHSA-2020:3183-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3183
Issue date: 2020-08-05

Topic

An update for openshift is now available for Red Hat OpenShift ContainerPlatform 4.3.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 red hat local access cloud computing kubernetes openshift

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.3 - ppc64le, s390x, x86_64

Bugs Fixed

1843358 - CVE-2020-8558 kubernetes: node localhost services reachable via martian packets

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