CVE-2019-11253

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Summary

CVECVE-2019-11253
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-10-17 16:15:00 UTC
Updated2023-11-07 03:02:00 UTC
DescriptionImproper input validation in the Kubernetes API server in versions v1.0-1.12 and versions prior to v1.13.12, v1.14.8, v1.15.5, and v1.16.2 allows authorized users to send malicious YAML or JSON payloads, causing the API server to consume excessive CPU or memory, potentially crashing and becoming unavailable. Prior to v1.14.0, default RBAC policy authorized anonymous users to submit requests that could trigger this vulnerability. Clusters upgraded from a version prior to v1.14.0 keep the more permissive policy by default for backwards compatibility.

Risk And Classification

Problem Types: CWE-776

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes All All All All
Application Kubernetes Kubernetes All All All All
Application Redhat Openshift Container Platform 3.10 All All All
Application Redhat Openshift Container Platform 3.11 All All All
Application Redhat Openshift Container Platform 3.9 All All All
Application Redhat Openshift Container Platform 3.10 All All All
Application Redhat Openshift Container Platform 3.11 All All All
Application Redhat Openshift Container Platform 3.9 All All All

References

ReferenceSourceLinkTags
CVE-2019-11253: Kubernetes API Server JSON/YAML parsing vulnerable to resource exhaustion attack · Issue #83253 · kubernetes/kubernetes · GitHub CONFIRM github.com Exploit, Issue Tracking, Mitigation, Third Party Advisory
Google Groups groups.google.com
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
Google Groups MLIST groups.google.com Mailing List, Third Party Advisory
Red Hat Customer Portal REDHAT access.redhat.com Third Party Advisory
CVE-2019-11253 Kubernetes Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Rory McCune

Legacy QID Mappings

  • 500857 Alpine Linux Security Update for containerd
  • 504639 Alpine Linux Security Update for containerd
  • 770007 Red Hat OpenShift Container Platform 4.1.20 Security Update (RHSA-2019:3132)
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