CVE-2019-11254 : The Kubernetes API Server component in versions 1.1-1.14, and versions prior to

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.

Published 2020-04-01 21:15:13

Updated 2020-10-02 17:37:37

Source Kubernetes

View at NVD, CVE.org

Products affected by CVE-2019-11254

Kubernetes » Kubernetes
Versions from including (>=) 1.16.0 and before (<) 1.16.7
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions before (<) 1.15.10
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.17.0 and before (<) 1.17.3
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-11254

EPSS FAQ

0.16%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-11254

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:N/A:P	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	Kubernetes
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2019-11254

CWE-1050 Excessive Platform Resource Consumption within a Loop

The product has a loop body or loop condition that contains a control element that directly or indirectly consumes platform resources, e.g. messaging, sessions, locks, or file descriptors.

Assigned by: jordan@liggitt.net (Secondary)

References for CVE-2019-11254

https://security.netapp.com/advisory/ntap-20200413-0003/

April 2020 Kubernetes Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
https://github.com/kubernetes/kubernetes/issues/89535

CVE-2019-11254: kube-apiserver Denial of Service vulnerability from malicious YAML payloads · Issue #89535 · kubernetes/kubernetes · GitHub
Third Party Advisory
https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ

[Security Advisory] CVE-2019-11254: denial of service vulnerability from malicious YAML payloads - Google Groepen
Third Party Advisory

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Vulnerability Details : CVE-2019-11254

Products affected by CVE-2019-11254

Exploit prediction scoring system (EPSS) score for CVE-2019-11254

CVSS scores for CVE-2019-11254

CWE ids for CVE-2019-11254

References for CVE-2019-11254