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

Synopsis:          Critical: OpenShift Container Platform 4.6.z security update
Advisory ID:       RHSA-2021:5106-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:5106
Issue date:        2021-12-16
CVE Names:         CVE-2021-44228 CVE-2021-45046 
=====================================================================

1. Summary:

An update is now available for Red Hat OpenShift Container Platform 4.6.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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.

Security Fix(es):

* log4j-core: Remote code execution in Log4j 2.x when logs contain an
attacker-controlled string value (CVE-2021-44228)

* log4j-core: DoS in log4j 2.x with thread context message pattern and
context lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)

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.

3. 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-release-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

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

2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when
 logs contain an attacker-controlled string value
2032580 - CVE-2021-45046 log4j-core: DoS in log4j 2.x with thread context
 message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

5. References:

https://access.redhat.com/security/cve/CVE-2021-44228
https://access.redhat.com/security/cve/CVE-2021-45046
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/security/vulnerabilities/RHSB-2021-009

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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