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Red Hat: RHSA-2019-2766-01 Important: gRPC Memory Growth Issues

red hat
Calendar Grey September 12, 2019
Dist Redhat Esm H88
A significant security patch for Red Hat OpenShift 4.1.15 resolves severe gRPC memory vulnerabilities. Discover further details.
An update for gRPC, included in multus-cni-container, operator-lifecycle-manager-container, and operator-registry-container is now available for Red Hat OpenShift Container Platfor...

Solution

For OpenShift Container Platform 4.1 see the following documentation, which will be updated shortly for release 4.1.z, 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 updated container images for multus-cni, operator-lifecycle-manager, and operator-registry in Red Hat OpenShift Container Platform 4.1.15. Each of these container images includes gRPC, which has been updated with the below fixes.
Security Fix(es):
* HTTP/2: flood using PING frames results in unbounded memory growth (CVE-2019-9512)
* HTTP/2: flood using HEADERS frames results in unbounded memory growth (CVE-2019-9514)
* HTTP/2: flood using SETTINGS frames results in unbounded memory growth (CVE-2019-9515)
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 important Red Hat OpenShift memory growth gRPC

References

https://access.redhat.com/security/cve/CVE-2019-9512 https://access.redhat.com/security/cve/CVE-2019-9514 https://access.redhat.com/security/cve/CVE-2019-9515 https://access.redhat.com/security/updates/classification#important

Package List


Severity
important
Lowest
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Advisory ID: RHSA-2019:2766-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2766
Issue date: 2019-09-12

Topic

An update for gRPC, included in multus-cni-container,operator-lifecycle-manager-container, and operator-registry-container isnow available for Red Hat OpenShift Container Platform 4.1.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update important Red Hat OpenShift memory growth gRPC

Relevant Releases Architectures

Bugs Fixed

1735645 - CVE-2019-9512 HTTP/2: flood using PING frames results in unbounded memory growth

1735744 - CVE-2019-9514 HTTP/2: flood using HEADERS frames results in unbounded memory growth

1735745 - CVE-2019-9515 HTTP/2: flood using SETTINGS frames results in unbounded memory growth

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