Hash: SHA256

                   Red Hat Security Advisory

Synopsis:          Important: OpenShift Container Platform 4.5.33 bug fix and security update
Advisory ID:       RHSA-2021:0428-01
Product:           Red Hat OpenShift Enterprise
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0428
Issue date:        2021-03-03
CVE Names:         CVE-2021-3344 

1. Summary:

Red Hat OpenShift Container Platform release 4.5.33 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release also includes a security update for Red Hat OpenShift
Container Platform 4.5.

Red Hat Product Security has rated this update as having a security impact
of Important. 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):

* openshift/builder: privilege escalation during container image builds via
mounted secrets (CVE-2021-3344)

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 container images for Red Hat OpenShift Container
Platform 4.5.33. See the following advisory for the RPM packages for this


Space precludes documenting all of the container images in this advisory.
See the following Release Notes documentation, which will be updated
shortly for this release, for details about these changes:


You may download the oc tool and use it to inspect release image metadata
as follows:

(For x86_64 architecture)

  $ oc adm release info

The image digest is

(For s390x architecture)

  $ oc adm release info

The image digest is

(For ppc64le architecture)

  $ oc adm release info

The image digest is

All OpenShift Container Platform 4.5 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
- -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- -minor.

3. Solution:

For OpenShift Container Platform 4.5 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:


Details on how to access this content are available at
- -cli.html.

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

1849154 - [4.5] readinessEndpoint not using trustedCA for trust validation
1877346 - KubeAPIErrorsHigh firing due to "too large resource version"
1879208 - APIServer panic'd: net/https: abort Handler
1879901 - [release 4.5] Top-level cross-platform: Fix bug in reflector not recovering from "Too large resource version"
1884195 - Possible to delete 2 masters simultaneously if kubelet unreachable
1887763 - [release 4.5] Gather MachineConfigPools
1889679 - [release 4.5] Gather top installplans and their count
1891455 - EgressNetworkPolicy does not work when setting Allow rule to a dnsName
1891545 - [release 4.5] Add ContainerRuntimeConfig gatherer
1892372 - operator pod with OLM webhooks is getting terminated and created several times during the installation
1894243 - [Backport 4.5] IO archive contains more records of than is the limit
1896079 - Package Server is in 'Cannot update' status despite properly working
1904584 - Operator upgrades can delete existing CSV before completion
1905576 - [4.5] Changing the bound token service account issuer invalids previously issued bound tokens
1905991 - [release-4.5] Detecting broken connections to the Kube API takes up to 15 minutes
1914255 - Red Hat image and crashlooping OpenShift pod collection
1916660 - AggregatedAPIDown permanently firing after removing APIService
1916859 - configs.imageregistry.operator.openshift.io cluster does not update its status fields after URL change
1918962 - [IPI on vsphere] Executing 'openshift-installer destroy cluster' leaves installer tag categories in vsphere
1920421 - Too many haproxy processes in default-router pod causing high load average
1920676 - Must-gather and inspect should put a timestamp when it started and finished into the tar
1921283 - fix MCS blocking iptables rules
1921450 - CVE-2021-3344 openshift/builder: privilege escalation during container image builds via mounted secrets
1921484 - Regression OLM uses scoped client for CRD installation
1922262 - [4.5.z] real-time kernel in RHCOS is not synchronized
1924137 - Increase initialDelaySeconds for ovs-daemons container in the ovs-node daemonset for upgrade scenarios
1924913 - A valid etcd endpoint should have the URL scheme prepended
1925678 - Placeholder bug for OCP 4.5.z rpm release
1925679 - Placeholder bug for OCP 4.5.z extras release
1925680 - Placeholder bug for OCP 4.5.z metadata release
1926564 - [release-4.5] OCP installs fail on ppc64le/s390x in the bootstrap phase
1926730 - Large number of tcp connections with shiftstack ocp cluster in about 24 hours
1928263 - catalog operator causing CPU spikes and bad etcd performance

5. References:


6. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
Version: GnuPG v1


RHSA-announce mailing list
[email protected]