#VU30318 Resource exhaustion in Kubernetes - CVE-2019-11254
Published: April 1, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30318
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11254
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Kubernetes
Kubernetes
Software vendor:
Kubernetes
Kubernetes
Description
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.