CVE-2019-11254
Aliases:GHSA-wxc4-f4m6-wwqvGO-2020-0036
Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 01 Apr 2020, 20:30
Last modified:16 Sept 2024, 23:16
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
6.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.12% LOW
0% probability +0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
01 Apr 2020, 20:30
Published
Vulnerability first disclosed
16 Sept 2024, 23:16
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.12%• Percentile: 31%
Techniques & Countermeasures
- 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.
Affected Systems
- github.com/go-yaml•yaml
≤ 2.1.0 | all
- gopkg.in•yaml.v2
< 2.2.8
- kubernetes•kubernetes
< 1.15.10 | ≥ 1.16.0, < 1.16.7 | ≥ 1.17.0, < 1.17.3 | prior to 1.15.10 | prior to 1.16.7 | prior to 1.17.3 | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 1.10 | 1.11 | 1.12 | 1.13 | 1.14
References (10)
- https://github.com/kubernetes/kubernetes/issues/89535
- https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ
- https://security.netapp.com/advisory/ntap-20200413-0003/
- https://nvd.nist.gov/vuln/detail/CVE-2019-11254
- https://github.com/go-yaml/yaml/pull/555
- https://github.com/kubernetes/kubernetes/pull/87467/commits/b86df2bec4f377afc0ca03482ffad2f0a49a83b8
- https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496
- https://pkg.go.dev/vuln/GO-2020-0036
- https://security.netapp.com/advisory/ntap-20200413-0003