by Kastro
Paper/Archive/CVE-2023-32191

CVE-2023-32191

SUSE rke — rke's credentials are stored in the RKE1 Cluster state ConfigMap

EPSS 0.7%CVSS 9.9
critical.is priorityof 100
40
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 51.6.516 × 2010.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

When RKE provisions a cluster, it stores the cluster state in a configmap called `full-cluster-state` inside the `kube-system` namespace of the cluster itself. The information available in there allows non-admin users to escalate to admin.

Affected

ProductAffectedFixed inSource
rke1.4.18 – < 1.4.191.4.19CNA
rke1.5.9 – < 1.5.101.5.10CNA
rke1.4.18 – < 1.4.191.4.19CISA-ADP
rke1.5.9 – < 1.5.101.5.10CISA-ADP

Scores by source

suse (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refbugzilla.suse.com/show_bug.cgi?id=CVE-2023-32191refgithub.com/rancher/rke/security/advisories/GHSA-6gr4-52w6-vmqx