RHSA-2021:1429 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.6.27 is now available with
updates to packages and images that fix several bugs.

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.

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):

• jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE) (CVE-2020-25649)

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.

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.6.27. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2021:1427

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

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

Affected Products

• Red Hat OpenShift Container Platform 4.6 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.6 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.6 for RHEL 8 s390x

Fixes

• BZ - 1887664 - CVE-2020-25649 jackson-databind: FasterXML DOMDeserializer insecure entity expansion is vulnerable to XML external entity (XXE)
• BZ - 1941768 - Reports that has specified a retention should not be requeued in the sync handler
• BZ - 1954163 - Placeholder bug for OCP 4.6.0 extras release

CVEs

• CVE-2020-25649
• CVE-2021-2163
• CVE-2021-3347
• CVE-2021-3447
• CVE-2021-20305
• CVE-2021-27363
• CVE-2021-27364
• CVE-2021-27365

References

• https://access.redhat.com/security/updates/classification/#low