CVE-2023-5408

Openshift: modification of node role labels

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.51%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat OpenShift Container Platform 4.11
Affected: Red Hat Red Hat OpenShift Container Platform 4.12
Affected: Red Hat Red Hat OpenShift Container Platform 4.13
Affected: Red Hat Red Hat OpenShift Container Platform 4.14
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2023:5006 vendor advisory
https://access.redhat.com/errata/RHSA-2023:6130 vendor advisory
https://access.redhat.com/errata/RHSA-2023:6842 vendor advisory
https://access.redhat.com/errata/RHSA-2023:7479 vendor advisory
https://access.redhat.com/security/cve/CVE-2023-5408 vdb entry vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2242173 vendor advisory issue tracking
https://github.com/openshift/kubernetes/pull/1736 issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-5408?
CVE-2023-5408 has been scored as a high severity vulnerability.
How to fix CVE-2023-5408?
To fix CVE-2023-5408, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5408 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-5408 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5408?
CVE-2023-5408 affects Red Hat Red Hat OpenShift Container Platform 4.11, Red Hat Red Hat OpenShift Container Platform 4.12, Red Hat Red Hat OpenShift Container Platform 4.13, Red Hat Red Hat OpenShift Container Platform 4.14.
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