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AUSCERT External Security Bulletin Redistribution
ESB-2021.1090
OpenShift Container Platform 4.6.23 security update
31 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: OpenShift Container Platform
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-16845 CVE-2020-15586
Reference: ESB-2021.0885
ESB-2021.0864
ESB-2021.0432
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0956
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Red Hat Security Advisory
Synopsis: Low: OpenShift Container Platform 4.6.23 security update
Advisory ID: RHSA-2021:0956-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0956
Issue date: 2021-03-30
CVE Names: CVE-2020-15586 CVE-2020-16845
=====================================================================
1. Summary:
Red Hat OpenShift Container Platform release 4.6.23 is now available with
updates to packages and images that fix several bugs and add enhancements.
Red Hat Product Security has rated this update as having a security impact
of Low. 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 4.6 - noarch, ppc64le, s390x, x86_64
3. Description:
ed Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.
This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.6.23. See the following advisory for the container images for
this release:
https://access.redhat.com/errata/RHBA-2021:0952
All OpenShift Container Platform 4.6 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift Console
or the CLI oc command. Instructions for upgrading a cluster are available
at
https://docs.openshift.com/container-platform/4.6/updating/updating-cluster
- - -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- - -minor.
Security Fix(es):
* golang: data race in certain net/http servers including ReverseProxy can
lead to DoS (CVE-2020-15586)
* golang: ReadUvarint and ReadVarint can read an unlimited number of bytes
from invalid inputs (CVE-2020-16845)
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 4.6 see the following documentation, which
will be updated shortly for this release, for important instructions on how
to upgrade your cluster and fully apply this asynchronous errata update:
https://docs.openshift.com/container-platform/4.6/release_notes/ocp-4-6-rel
ease-notes.html
Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.6/updating/updating-cluster
- - -cli.html.
5. Bugs fixed (https://bugzilla.redhat.com/):
1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS
1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs
1941433 - Placeholder bug for OCP 4.6.0 rpm release
6. Package List:
Red Hat OpenShift Container Platform 4.6:
Source:
openshift-4.6.0-202103210832.p0.git.94284.834ccc7.el7.src.rpm
openshift-ansible-4.6.0-202103192141.p0.git.0.d1b612b.el7.src.rpm
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el7.src.rpm
noarch:
openshift-ansible-4.6.0-202103192141.p0.git.0.d1b612b.el7.noarch.rpm
openshift-ansible-test-4.6.0-202103192141.p0.git.0.d1b612b.el7.noarch.rpm
x86_64:
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el7.x86_64.rpm
openshift-clients-redistributable-4.6.0-202103200039.p0.git.3841.3e951a5.el7.x86_64.rpm
openshift-hyperkube-4.6.0-202103210832.p0.git.94284.834ccc7.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.6:
Source:
openshift-4.6.0-202103210832.p0.git.94284.834ccc7.el8.src.rpm
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el8.src.rpm
openshift-eventrouter-0.2-6.git7c289cc.el8.src.rpm
openshift-kuryr-4.6.0-202103192141.p0.git.2234.cba9525.el8.src.rpm
noarch:
openshift-kuryr-cni-4.6.0-202103192141.p0.git.2234.cba9525.el8.noarch.rpm
openshift-kuryr-common-4.6.0-202103192141.p0.git.2234.cba9525.el8.noarch.rpm
openshift-kuryr-controller-4.6.0-202103192141.p0.git.2234.cba9525.el8.noarch.rpm
python3-kuryr-kubernetes-4.6.0-202103192141.p0.git.2234.cba9525.el8.noarch.rpm
ppc64le:
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el8.ppc64le.rpm
openshift-eventrouter-0.2-6.git7c289cc.el8.ppc64le.rpm
openshift-eventrouter-debuginfo-0.2-6.git7c289cc.el8.ppc64le.rpm
openshift-eventrouter-debugsource-0.2-6.git7c289cc.el8.ppc64le.rpm
openshift-hyperkube-4.6.0-202103210832.p0.git.94284.834ccc7.el8.ppc64le.rpm
s390x:
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el8.s390x.rpm
openshift-eventrouter-0.2-6.git7c289cc.el8.s390x.rpm
openshift-eventrouter-debuginfo-0.2-6.git7c289cc.el8.s390x.rpm
openshift-eventrouter-debugsource-0.2-6.git7c289cc.el8.s390x.rpm
openshift-hyperkube-4.6.0-202103210832.p0.git.94284.834ccc7.el8.s390x.rpm
x86_64:
openshift-clients-4.6.0-202103200039.p0.git.3841.3e951a5.el8.x86_64.rpm
openshift-clients-redistributable-4.6.0-202103200039.p0.git.3841.3e951a5.el8.x86_64.rpm
openshift-eventrouter-0.2-6.git7c289cc.el8.x86_64.rpm
openshift-eventrouter-debuginfo-0.2-6.git7c289cc.el8.x86_64.rpm
openshift-eventrouter-debugsource-0.2-6.git7c289cc.el8.x86_64.rpm
openshift-hyperkube-4.6.0-202103210832.p0.git.94284.834ccc7.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-2020-15586
https://access.redhat.com/security/cve/CVE-2020-16845
https://access.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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