CVE-2019-1002100

Impact:
Moderate
Public Date:
2019-02-28
CWE:
CWE-20->CWE-400
Bugzilla:
1683190: CVE-2019-1002100 kube-apiserver: DoS with crafted patch of type json-patch
A denial of service vulnerability was found in the Kubernetes API server. A remote user, with authorization to apply patches, could exploit this via crafted JSON input, causing excessive consumption of resources and subsequent denial of service.

Find out more about CVE-2019-1002100 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue affects the Kubernetes API Server, shipped in OpenShift Container Platform versions 3.4 through 3.11 as part of the atomic-openshift package. Red Hat Product Security has rated this issue as having a security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 6.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat OpenShift Container Platform 3.9 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.7 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.6 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.5 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.4 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.11 atomic-openshift Affected
Red Hat OpenShift Container Platform 3.10 atomic-openshift Affected
Red Hat Gluster Storage 3 heketi Affected

Acknowledgements

Red Hat would like to thank Carl Henrik Lunde for reporting this issue.

Mitigation

Remove ‘patch’ permissions from untrusted users.

External References

Last Modified