Description
A privilege escalation flaw was found in the node restriction admission plugin of the kubernetes api server of OpenShift. A remote attacker who modifies the node role label could steer workloads from the control plane and etcd nodes onto different worker nodes and gain broader access to the cluster.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat OpenShift Container Platform 4.11
Default version status: affected
v4.11.0-202311211130.p0.g7021090.assembly.stream to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.12
Default version status: affected
v4.12.0-202311021630.p0.gfe5e2a1.assembly.stream to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.13
Default version status: affected
v4.13.0-202310210425.p0.gd525f5d.assembly.stream to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.14
Default version status: affected
v4.14.0-202310201027.p0.g8b38d12.assembly.stream to < *unaffected
References
- https://access.redhat.com/errata/RHSA-2023:5006 ↗
- https://access.redhat.com/errata/RHSA-2023:6130 ↗
- https://access.redhat.com/errata/RHSA-2023:6842 ↗
- https://access.redhat.com/errata/RHSA-2023:7479 ↗
- https://access.redhat.com/security/cve/CVE-2023-5408 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2242173 ↗
- https://github.com/openshift/kubernetes/pull/1736 ↗