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Red Hat OpenShift 4.1 Moderate Advisory: RHSA-2019-3266-01 Security Fix

red hat
Calendar Grey October 30, 2019
Dist Redhat Esm H88
A recent Red Hat advisory warns of a moderate vulnerability in OpenShift Container Platform 4.1 related to Kubernetes, urging timely updates and patch installations to secure systems.
An update for openshift is now available for Red Hat OpenShift Container Platform 4.1. Red Hat Product Security has rated this update as having a security impact of Moderate

Solution

For OpenShift Container Platform 4.1 see the following documentation, which will be updated shortly for release 4.1.21, 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/4.1/html/release_notes/ocp-4-1-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 openshift RPM packages for Red Hat OpenShift Container Platform 4.1.21.
Security Fix(es):
* 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 moderate Red Hat cloud platform OpenShift arbitrary file write Kubernetes

References

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

Package List

Red Hat OpenShift Container Platform 4.1:
Source: openshift-4.1.21-201910220952.git.0.493dbf6.el7.src.rpm
x86_64: openshift-clients-4.1.21-201910220952.git.0.493dbf6.el7.x86_64.rpm openshift-clients-redistributable-4.1.21-201910220952.git.0.493dbf6.el7.x86_64.rpm openshift-hyperkube-4.1.21-201910220952.git.0.493dbf6.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.1:
Source: openshift-4.1.21-201910220952.git.0.493dbf6.el8.src.rpm
x86_64: openshift-clients-4.1.21-201910220952.git.0.493dbf6.el8.x86_64.rpm openshift-clients-redistributable-4.1.21-201910220952.git.0.493dbf6.el8.x86_64.rpm openshift-hyperkube-4.1.21-201910220952.git.0.493dbf6.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Advisory ID: RHSA-2019:3266-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3266
Issue date: 2019-10-30

Topic

An update for openshift is now available for Red Hat OpenShift Container Platform 4.1.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 moderate Red Hat cloud platform OpenShift arbitrary file write Kubernetes

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.1 - x86_64

Bugs Fixed

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

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