RHSA-2021:0428: Important: OpenShift Container Platform 4.5.33 bug fix and security update
Red Hat OpenShift Container Platform is Red Hat's cloud computingKubernetes application platform solution designed for on-premise or privatecloud 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 CVSSscore, acknowledgments, and other related information, refer to the CVEpage(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.openshift.com/container-platform/4.5/releasenotes/ocp-4-5-release-notes.html You may download the oc tool and use it to inspect release image metadata as follows:(For x8664 architecture)$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-x8664The image digest is sha256:8e6b3ffc19aa6106096936733a128095646a604b69924b5cf606260d433661f0(For s390x architecture)$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-s390xThe image digest is sha256:c7085a4d27da05bd733e5ad72b74f6a1b55548badeb71ce050e88baaf4fcf575(For ppc64le architecture)$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.5.33-ppc64leThe image digest is sha256:102c2dff98f2dab4cf975a02b3cf9fa24ce1e0e10650113e94e5d07420ac10d3All 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 availableat https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-between-minor.html#understanding-upgrade-channelsupdating-cluster-between-minor.
Affected Software
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:0428?
The severity of RHSA-2021:0428 is classified as important due to the potential for privilege escalation during container image builds.
How do I fix RHSA-2021:0428?
To fix RHSA-2021:0428, you should update to the latest version of Red Hat OpenShift Container Platform that addresses this vulnerability.
What vulnerability is addressed in RHSA-2021:0428?
RHSA-2021:0428 addresses a privilege escalation vulnerability that occurs during container image builds when using mounted secrets.
Which products are affected by RHSA-2021:0428?
RHSA-2021:0428 affects Red Hat OpenShift Container Platform versions prior to the security fix.
Can RHSA-2021:0428 impact production environments?
Yes, RHSA-2021:0428 can impact production environments by allowing unauthorized users to escalate privileges, posing a security risk.