An OpenShift Container Platform 4.7.40 security update has been released.

RHSA-2021:5184-04: Critical: OpenShift Container Platform 4.7.40 security update

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Red Hat Security Advisory

Synopsis: Critical: OpenShift Container Platform 4.7.40 security update
Advisory ID: RHSA-2021:5184-01
Product: Red Hat OpenShift Enterprise
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:5184
Issue date: 2021-12-16
CVE Names: CVE-2021-4104 CVE-2021-4125
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1. Summary:

Red Hat OpenShift Container Platform release 4.7.40 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 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):

* kube-reporting/hive: Incomplete fix for log4j CVE-2021-44228 and
CVE-2021-45046 (CVE-2021-4125)

* log4j: Remote code execution in Log4j 1.x when application is configured
to use JMSAppender (CVE-2021-4104)

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 4.7 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-release-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/):

2031667 - CVE-2021-4104 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender
2033121 - CVE-2021-4125 kube-reporting/hive: Incomplete fix for log4j CVE-2021-44228 and CVE-2021-45046

5. References:

  https://access.redhat.com/security/cve/CVE-2021-4104
  https://access.redhat.com/security/cve/CVE-2021-4125
  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 . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.