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AUSCERT External Security Bulletin Redistribution
ESB-2020.1236
OpenShift Container Platform 4.3.10 openshift security update
8 April 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kubernetes
Publisher: Red Hat
Operating System: Red Hat
Linux variants
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8551
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1276
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running kubernetes check for an updated version of the software for
their operating system.
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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.3.10 openshift security update
Advisory ID: RHSA-2020:1276-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1276
Issue date: 2020-04-07
CVE Names: CVE-2020-8551
=====================================================================
1. Summary:
An update for openshift is now available for Red Hat OpenShift Container
Platform 4.3.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat OpenShift Container Platform 4.3 - x86_64
3. Description:
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: crafted requests to kubelet API allowed for memory exhaustion
(CVE-2020-8551)
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.
4. Solution:
For OpenShift Container Platform 4.3 see the following documentation, which
will be updated shortly for release 4.3.10, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:
https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-rel
ease-notes.html
Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.3/updating/updating-cluster
- - -cli.html.
5. Bugs fixed (https://bugzilla.redhat.com/):
1816403 - CVE-2020-8551 kubernetes: crafted requests to kubelet API allow for memory exhaustion
6. Package List:
Red Hat OpenShift Container Platform 4.3:
Source:
openshift-4.3.10-202003300855.git.0.da48c1d.el7.src.rpm
x86_64:
openshift-hyperkube-4.3.10-202003300855.git.0.da48c1d.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.3:
Source:
openshift-4.3.10-202003300855.git.0.da48c1d.el8.src.rpm
x86_64:
openshift-hyperkube-4.3.10-202003300855.git.0.da48c1d.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/
7. References:
https://access.redhat.com/security/cve/CVE-2020-8551
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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