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

Synopsis:          Moderate: Windows Container Support for Red Hat OpenShift 2.0.1 security and bug fix update
Advisory ID:       RHSA-2021:2130-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2130
Issue date:        2021-06-23
CVE Names:         CVE-2016-10228 CVE-2017-14502 CVE-2019-2708 
                   CVE-2019-3842 CVE-2019-9169 CVE-2019-25013 
                   CVE-2020-8231 CVE-2020-8284 CVE-2020-8285 
                   CVE-2020-8286 CVE-2020-8927 CVE-2020-13434 
                   CVE-2020-13776 CVE-2020-15358 CVE-2020-24977 
                   CVE-2020-27618 CVE-2020-28196 CVE-2020-29361 
                   CVE-2020-29362 CVE-2020-29363 CVE-2021-3326 
                   CVE-2021-3449 CVE-2021-3450 CVE-2021-20305 
                   CVE-2021-25736 CVE-2021-27219 
=====================================================================

1. Summary:

The components for Windows Container Support for Red Hat OpenShift 2.0.1
are now available.

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:

Windows Container Support for Red Hat OpenShift allows you to deploy
Windows container workloads running on Windows Server containers.

Security Fix(es):

* kubernetes: LoadBalancer Service type don't create a HNS policy for empty
or invalid external loadbalancer IP, what could lead to MITM
(CVE-2021-25736)

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):

* WMCO patch pub-key-hash annotation to Linux node (BZ#1945248)

* LoadBalancer Service type with invalid external loadbalancer IP breaks
the datapath (BZ#1952917)

* Telemetry info not completely available to identify windows nodes
(BZ#1955319)

* WMCO incorrectly shows node as ready after a failed configuration
(BZ#1956412)

* kube-proxy service terminated unexpectedly after recreated LB service
(BZ#1963263)

3. Solution:

For Windows Machine Config Operator upgrades, see the following
documentation:

https://docs.openshift.com/container-platform/4.7/windows_containers/window
s-node-upgrades.html

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

1945248 - WMCO patch pub-key-hash annotation to Linux node
1946538 - CVE-2021-25736 kubernetes: LoadBalancer Service type don't create a HNS policy for empty or invalid external loadbalancer IP, what could lead to MITM
1952917 - LoadBalancer Service type with invalid external loadbalancer IP breaks the datapath
1955319 - Telemetry info not completely available to identify windows nodes
1956412 - WMCO incorrectly shows node as ready after a failed configuration
1963263 - kube-proxy service terminated unexpectedly after recreated LB service

5. JIRA issues fixed (https://issues.jboss.org/):

WINC-623 - Windows Container Support for Red Hat OpenShift 2.0.1 release

6. References:

https://access.redhat.com/security/cve/CVE-2016-10228
https://access.redhat.com/security/cve/CVE-2017-14502
https://access.redhat.com/security/cve/CVE-2019-2708
https://access.redhat.com/security/cve/CVE-2019-3842
https://access.redhat.com/security/cve/CVE-2019-9169
https://access.redhat.com/security/cve/CVE-2019-25013
https://access.redhat.com/security/cve/CVE-2020-8231
https://access.redhat.com/security/cve/CVE-2020-8284
https://access.redhat.com/security/cve/CVE-2020-8285
https://access.redhat.com/security/cve/CVE-2020-8286
https://access.redhat.com/security/cve/CVE-2020-8927
https://access.redhat.com/security/cve/CVE-2020-13434
https://access.redhat.com/security/cve/CVE-2020-13776
https://access.redhat.com/security/cve/CVE-2020-15358
https://access.redhat.com/security/cve/CVE-2020-24977
https://access.redhat.com/security/cve/CVE-2020-27618
https://access.redhat.com/security/cve/CVE-2020-28196
https://access.redhat.com/security/cve/CVE-2020-29361
https://access.redhat.com/security/cve/CVE-2020-29362
https://access.redhat.com/security/cve/CVE-2020-29363
https://access.redhat.com/security/cve/CVE-2021-3326
https://access.redhat.com/security/cve/CVE-2021-3449
https://access.redhat.com/security/cve/CVE-2021-3450
https://access.redhat.com/security/cve/CVE-2021-20305
https://access.redhat.com/security/cve/CVE-2021-25736
https://access.redhat.com/security/cve/CVE-2021-27219
https://access.redhat.com/security/updates/classification/#moderate

7. 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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