SARA / Free Tools / CVE / CVE-2019-1002100

CVE-2019-1002100 — In all Kubernetes versions prior to v1

In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: application

CVSS
6.5 MEDIUM
EPSS
4.87% (top 10.60%)
CWE
—
Published
2019-04-01T14:14:27.000Z
Last modified
2024-08-05T03:00:19.258Z
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: application/json-patch+json"`) that consumes excessive resources while processing, causing a Denial of Service on the API Server.

02Affected products

VendorProductVersions
KubernetesKubernetesv1.0.x, v1.1.x, v1.2.x, v1.3.x, v1.4.x, v1.5.x, v1.6.x, v1.7.x, v1.8.x, v1.9.x, v1.10.x, unspecified, unspecified, unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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