cvedb.io
CVE-2018-5256
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2018-05-18T15:29:00.187 · Last modified 2026-06-17T01:59:55.530

Summary

CoreOS Tectonic 1.7.x before 1.7.9-tectonic.4 and 1.8.x before 1.8.4-tectonic.3 mounts a direct proxy to the kubernetes cluster at /api/kubernetes/ which is accessible without authentication to Tectonic and allows an attacker to directly connect to the kubernetes API server. Unauthenticated users are able to list all Namespaces through the Console, resulting in an information disclosure. Tectonic's exposure of an unauthenticated API endpoint containing information regarding the internal state of the cluster can provide an attacker with information that may assist in other attacks against the cluster. For example, an attacker may not have the permissions required to list all namespaces in the cluster but can instead leverage this vulnerability to enumerate the namespaces and then begin to c

Affected products

redhat — tectonic

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.