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Red Hat OpenShift 4.5 Critical: RHSA-2021:0428-01 Privilege Escalation

red hat
Calendar Grey March 2, 2021
Dist Redhat Esm H88
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ====================================================
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

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:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.5/html/release_notes/ocp-4-5-release-notes

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

Summary

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 release:
https://access.redhat.com/errata/RHSA-2021:0429
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:
https://docs.redhat.com/en/documentation/openshift_container_platform/4.5/html/release_notes/ocp-4-5-release-notes
You may download the oc tool and use it to inspect release image metadata as follows:
(For x86_64 architecture)
$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-x86_64
The image digest is sha256:8e6b3ffc19aa6106096936733a128095646a604b69924b5cf606260d433661f0
(For s390x architecture)
$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-s390x
The image digest is sha256:c7085a4d27da05bd733e5ad72b74f6a1b55548badeb71ce050e88baaf4fcf575
(For ppc64le architecture)
$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-ppc64le
The image digest is sha256:102c2dff98f2dab4cf975a02b3cf9fa24ce1e0e10650113e94e5d07420ac10d3
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 at - -between-minor.html#understanding-upgrade-channels_updating-cluster-between - -minor.

Topics%20covered

Topics Covered

security advisory security update Red Hat software update privilege escalation important critical flaw OpenShift container platform

References

https://access.redhat.com/security/cve/CVE-2021-3344 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

Red Hat OpenShift Container Platform release 4.5.33 is now available withupdates to packages and images that fix several bugs and add enhancements.This release also includes a security update for Red Hat OpenShiftContainer Platform 4.5.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat software update privilege escalation important critical flaw OpenShift container platform

Relevant Releases Architectures

Bugs Fixed

1849154 - [4.5] readinessEndpoint not using trustedCA for trust validation

1877346 - KubeAPIErrorsHigh firing due to "too large resource version"

1879208 - APIServer panic'd: net/http: 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

Read the Full Advisory

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