CVE-2019-11254

Kubernetes API Server denial of service vulnerability from malicious YAML payloads

Description

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory github.com Third-Party Advisory google.com Third-Party Advisory netapp.com
Affected: Kubernetes Kubernetes
Published at:
Updated at:

References

Link Tags
https://github.com/kubernetes/kubernetes/issues/89535 third party advisory
https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ third party advisory
https://security.netapp.com/advisory/ntap-20200413-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-11254?
CVE-2019-11254 has been scored as a medium severity vulnerability.
How to fix CVE-2019-11254?
To fix CVE-2019-11254, 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-2019-11254 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-11254 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-11254?
CVE-2019-11254 affects Kubernetes Kubernetes.
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