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Red Hat OpenShift: RHSA-2019-3905-01 Important Denial Of Service Risk

red hat
Calendar Grey November 18, 2019
Dist Redhat Esm H88
Canonical issued an urgent security bulletin for Ubuntu Server 18.04, underscoring significant vulnerabilities and patches.
An update for atomic-openshift is now available for Red Hat OpenShift Container Platform 3.11. Red Hat Product Security has rated this update as having a security impact of Impo...

Solution

For OpenShift Container Platform 3.11, see the following documentation, which will be updated shortly for release 3.11.154, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/3.11/html/release_notes/release-notes-ocp-3-11-release-notes

Summary

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the atomic-openshift RPM package for Red Hat OpenShift Container Platform 3.11.154.
Security Fix(es):
* kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service (CVE-2019-11253)
* kubernetes: `kubectl cp` allows for arbitrary file write via double symlinks (CVE-2019-11251)
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 OpenShift arbitrary file write CVE-2019-11251 CVE-2019-11253

References

https://access.redhat.com/security/cve/CVE-2019-11251 https://access.redhat.com/security/cve/CVE-2019-11253 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat OpenShift Container Platform 3.11:
Source: atomic-openshift-3.11.154-1.git.0.7a097ad.el7.src.rpm
noarch: atomic-openshift-docker-excluder-3.11.154-1.git.0.7a097ad.el7.noarch.rpm atomic-openshift-excluder-3.11.154-1.git.0.7a097ad.el7.noarch.rpm
ppc64le: atomic-openshift-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-clients-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-hyperkube-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-hypershift-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-master-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-node-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-pod-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-sdn-ovs-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-template-service-broker-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm atomic-openshift-tests-3.11.154-1.git.0.7a097ad.el7.ppc64le.rpm
x86_64: atomic-openshift-3.11.154-1.git.0.7a097ad.el7.x86_64.rpm atomic-openshift-clients-3.11.154-1.git.0.7a097ad.el7.x86_64.rpm atomic-openshift-clients-redistributable-3.11.154-1.git.0.7a097ad.el7.x86_64.rpm atomic-openshift-hyperkube-3.11.154-1.git.0.7a097ad.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:3905-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3905
Issue date: 2019-11-18

Topic

An update for atomic-openshift is now available for Red Hat OpenShift Container Platform 3.11.

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 OpenShift arbitrary file write CVE-2019-11251 CVE-2019-11253

Relevant Releases Architectures

Red Hat OpenShift Container Platform 3.11 - noarch, ppc64le, x86_64

Bugs Fixed

1753495 - CVE-2019-11251 kubernetes: `kubectl cp` allows for arbitrary file write via double symlinks

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

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