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CVE-2019-11254

Good to know:

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Date: April 1, 2020

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.

Language: Go

Severity Score

Related Resources (12)

https://security.netapp.com/advisory/ntap-20200413-0003
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496
https://github.com/kubernetes/kubernetes/issues/89535
https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ
https://pkg.go.dev/vuln/GO-2020-0036
https://security.netapp.com/advisory/ntap-20200413-0003/
https://nvd.nist.gov/vuln/detail/CVE-2019-11254
https://github.com/kubernetes/kubernetes/pull/87467/commits/b86df2bec4f377afc0ca03482ffad2f0a49a83b8
https://github.com/go-yaml/yaml/pull/555
https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48
https://security-tracker.debian.org/tracker/CVE-2019-11254
https://www.mend.io/vulnerability-database/CVE-2019-11254

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Excessive Platform Resource Consumption within a Loop

CWE-1050

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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