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Red Hat: RHSA-2020-4304-01 Moderate: RBAC Bypass in ACM for Kubernetes

red hat
Calendar Grey October 22, 2020
Dist Redhat Esm H88
Cautious Oracle Security Notification regarding Kubernetes points out a critical RBAC vulnerability impacting Cluster Management effectiveness.
Red Hat Advanced Cluster Management for Kubernetes 2.0.4 General Availability release

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Summary

RHACM 2.0.4 images
Red Hat Advanced Cluster Management provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in.
See the following Release Notes documentation for details about this release:
gement_for_kubernetes/2.0/html/release_notes/
Security Fix(es):
* open-cluster-management: RBAC bypass may disclose cluster secrets to other users (CVE-2020-25655)
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.

Topics%20covered

Topics Covered

security advisory moderate Red Hat security fix Kubernetes RBAC bypass advanced cluster management

References

https://access.redhat.com/security/cve/CVE-2020-25655 https://access.redhat.com/security/updates/classification#moderate

Package List


Advisory ID: RHSA-2020:4304-01
Product: Red Hat ACM
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4304
Issue date: 2020-10-22

Topic

Red Hat Advanced Cluster Management for Kubernetes 2.0.4 GeneralAvailability release.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat security fix Kubernetes RBAC bypass advanced cluster management

Relevant Releases Architectures

Bugs Fixed

1882496 - RHACM 2.0.4 images

1882748 - search-operator Pod OOMKilled After Upgrading OpenShift

1884295 - Trying to install ACM and multi cluster hub is not deploying

1888475 - CVE-2020-25655 open-cluster-management: RBAC bypass may disclose cluster secrets to other users

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