CVE-2019-11254 is a vulnerability in Kubernetes
Published on April 1, 2020
Kubernetes API Server denial of service vulnerability from malicious YAML payloads
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.
Vulnerability Analysis
CVE-2019-11254 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Excessive Platform Resource Consumption within a Loop
The software 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.
Products Associated with CVE-2019-11254
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Affected Versions
Kubernetes:- Version prior to 1.15.10 is affected.
- Version prior to 1.16.7 is affected.
- Version prior to 1.17.3 is affected.
- Version 1.1 is affected.
- Version 1.2 is affected.
- Version 1.3 is affected.
- Version 1.4 is affected.
- Version 1.5 is affected.
- Version 1.6 is affected.
- Version 1.7 is affected.
- Version 1.8 is affected.
- Version 1.9 is affected.
- Version 1.10 is affected.
- Version 1.11 is affected.
- Version 1.12 is affected.
- Version 1.13 is affected.
- Version 1.14 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.