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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: OpenShift Container Platform 4.7.5 security and bug fix update
Advisory ID:       RHSA-2021:1007-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1007
Issue date:        2021-04-05
CVE Names:         CVE-2021-3121 CVE-2021-20206 
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.7.5 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 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. Description:

Red 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 4.7.5. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHSA-2021:1005

All OpenShift Container Platform 4.7 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/4.7/updating/updating-cluster
- -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- -minor

Security Fix(es):

* gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index
validation (CVE-2021-3121)

* containernetworking-cni: Arbitrary path injection via type field in CNI
configuration (CVE-2021-20206)

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.

Bug Fix(es):

* Reports that has specified a retention should not be requeued in the sync
handler (BZ#1929042)

* Placeholder bug for OCP 4.7.0 extras release (BZ#1944017)

3. Solution:

For OpenShift Container Platform 4.7 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/4.7/release_notes/ocp-4-7-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.7/updating/updating-cluster
- -cli.html.

4. Bugs fixed (https://bugzilla.redhat.com/):

1919391 - CVE-2021-20206 containernetworking-cni: Arbitrary path injection via type field in CNI configuration
1921650 - CVE-2021-3121 gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation
1929042 - Reports that has specified a retention should not be requeued in the sync handler
1944017 - Placeholder bug for OCP 4.7.0 extras release

5. References:

https://access.redhat.com/security/cve/CVE-2021-3121
https://access.redhat.com/security/cve/CVE-2021-20206
https://access.redhat.com/security/updates/classification/#moderate

6. 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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