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RedHat: RHSA-2019-3239-01 Important: OpenShift 3.10 Denial Of Service

red hat
Calendar Grey October 29, 2019
Dist Redhat Esm H88
Crucial patch release for Red Hat OpenShift 3.10 addressing severe security flaws in essential modules.
An update for atomic-openshift is now available for Red Hat OpenShift Container Platform 3.10. Red Hat Product Security has rated this update as having a security impact of Impo...

Solution

For OpenShift Container Platform 3.10 see the following documentation, which will be updated shortly for release 3.10.181, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

elease_notes.html

Summary

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
Security Fix(es):
* kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service (CVE-2019-11253)
* kubernetes: Incomplete fixes for CVE-2019-1002101 and CVE-2019-11246, kubectl cp potential directory traversal (CVE-2019-11249)
* kube-apiserver: DoS with crafted patch of type json-patch (CVE-2019-1002100)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat important OpenShift container yaml parsing

References

https://access.redhat.com/security/cve/CVE-2019-11249 https://access.redhat.com/security/cve/CVE-2019-11253 https://access.redhat.com/security/cve/CVE-2019-1002100 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat OpenShift Container Platform 3.10:
Source: atomic-openshift-3.10.181-1.git.0.3ab4b3d.el7.src.rpm
noarch: atomic-openshift-docker-excluder-3.10.181-1.git.0.3ab4b3d.el7.noarch.rpm atomic-openshift-excluder-3.10.181-1.git.0.3ab4b3d.el7.noarch.rpm
ppc64le: atomic-openshift-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-clients-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-hyperkube-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-hypershift-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-master-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-node-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-pod-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-sdn-ovs-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-template-service-broker-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm atomic-openshift-tests-3.10.181-1.git.0.3ab4b3d.el7.ppc64le.rpm
x86_64: atomic-openshift-3.10.181-1.git.0.3ab4b3d.el7.x86_64.rpm atomic-openshift-clients-3.10.181-1.git.0.3ab4b3d.el7.x86_64.rpm atomic-openshift-clients-redistributable-3.10.181-1.git.0.3ab4b3d.el7.x86_64.rpm atomic-openshift-hyperkube-3.10.181-1.git.0.3ab4b3d.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3239-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3239
Issue date: 2019-10-29

Topic

An update for atomic-openshift is now available for Red Hat OpenShift Container Platform 3.10.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service Red Hat important OpenShift container yaml parsing

Relevant Releases Architectures

Red Hat OpenShift Container Platform 3.10 - noarch, ppc64le, x86_64

Bugs Fixed

1683190 - CVE-2019-1002100 kube-apiserver: DoS with crafted patch of type json-patch

1737651 - CVE-2019-11249 kubernetes: Incomplete fixes for CVE-2019-1002101 and CVE-2019-11246, kubectl cp potential directory traversal

1757701 - CVE-2019-11253 kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service

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