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RedHat OpenShift 4.3 Moderate Advisory: RHSA-2020-2441-01 SSRF Issues

red hat
Calendar Grey June 17, 2020
Dist Redhat Esm H88
Critical security enhancement for Red Hat OpenShift Container Platform targeting SSRF vulnerability within hyperkube environment.
An update for openshift-enterprise-hyperkube-container is now available for Red Hat OpenShift Container Platform 4.3

Solution

For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.25, 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/4.3/html/release_notes/ocp-4-3-release-notes

Details on how to access this content are available at - -cli.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: A server side request forgery (SSRF) in the kube-controller-manager allows certain authorized users to leak up to 500 bytes of arbitrary information from the master's host network (CVE-2020-8555)
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 Red Hat update moderate impact OpenShift server-side request kuberentes

References

https://access.redhat.com/security/cve/CVE-2020-8555 https://access.redhat.com/security/cve/CVE-2020-8616 https://access.redhat.com/security/cve/CVE-2020-8617 https://access.redhat.com/security/updates/classification/#moderate

Package List


Advisory ID: RHSA-2020:2441-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2441
Issue date: 2020-06-17

Topic

An update for openshift-enterprise-hyperkube-container is now available forRed Hat OpenShift Container Platform 4.3.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update moderate impact OpenShift server-side request kuberentes

Relevant Releases Architectures

Bugs Fixed

1821583 - CVE-2020-8555 kubernetes: Server side request forgery (SSRF) in kube-controller-manager allows users to leak secret information

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