Excessive Platform Resource Consumption within a Loop in Kubernetes · CVE-2019-11254 · GitHub Advisory Database · GitHub

Excessive Platform Resource Consumption within a Loop in Kubernetes

Moderate severity GitHub Reviewed Published Dec 20, 2021 to the GitHub Advisory Database • Updated Feb 9, 2023

Package

github.com/go-yaml/yaml (Go)

Affected versions

<= 2.1.0

Patched versions

None

gopkg.in/yaml.v2 (Go)

< 2.2.8

2.2.8

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.

References

Reviewed May 7, 2021

Published to the GitHub Advisory Database Dec 20, 2021

Last updated Feb 9, 2023

Severity

Moderate

6.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H