Privilege escalation in Red Hat Openshift Container Platform 4.11
CVE-2023-5408
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Red Hat Openshift Container Platform 4.11 — versions v4.11.0-202311211130.p0.g7021090.assembly.stream
- Red Hat Openshift Container Platform 4.12 — versions v4.12.0-202311021630.p0.gfe5e2a1.assembly.stream
- Red Hat Openshift Container Platform 4.13 — versions v4.13.0-202310210425.p0.gd525f5d.assembly.stream
- Red Hat Openshift Container Platform 4.14 — versions v4.14.0-202310201027.p0.g8b38d12.assembly.stream
- Red Hat Openshift Container Platform — versions 4.11, 4.12, 4.13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2023:5006 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:6130 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:6842 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2023:7479 (vendor-advisory, Vendor Advisory)
- access.redhat.com/security/cve/CVE-2023-5408 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking, Vendor Advisory)
- github.com/openshift/kubernetes/pull/1736 (Issue Tracking)
Frequently asked questions
- What is CVE-2023-5408?
- CVE-2023-5408 is a high-severity vulnerability in Red Hat Openshift Container Platform 4.11, classified under Improper Privilege Management. CVSS score: 7.2/10. Published 2023-11-02.
- How severe is CVE-2023-5408?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2023-5408 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.