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Red Hat OpenShift 4.5.20 Moderate Advisory: DoS Risk with golang

red hat
Calendar Grey November 24, 2020
Dist Redhat Esm H88
The latest release of Red Hat OpenShift Container Platform, version 4.5.20, brings a significant security enhancement for golang along with multiple bug resolutions.

Red Hat OpenShift Container Platform release 4.5.20 is now available with updates to packages and images that fix several bugs

Solution

For OpenShift Container Platform 4.5 see the following documentation, which will be updated shortly for this release, 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/4.5/html/release_notes/ocp-4-5-release-notes

Details on how to access this content are available at .

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):
* golang: Data race in certain net/http servers including ReverseProxy can lead to DoS (CVE-2020-15586) * golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs (CVE-2020-16845)
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.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.5.20. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHSA-2020:5118
All OpenShift Container Platform 4.5 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at .

Topics%20covered

Topics Covered

security advisory security update DoS Moderate Red Hat OpenShift golang

References

https://access.redhat.com/security/cve/CVE-2020-15586 https://access.redhat.com/security/cve/CVE-2020-16845 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat OpenShift Container Platform 4.5:
Source: atomic-enterprise-service-catalog-4.5.0-202011121956.p0.git.1808.0eb4933.el7.src.rpm atomic-openshift-service-idler-4.5.0-202011121956.p0.git.15.cccc412.el7.src.rpm cri-o-1.18.4-4.rhaos4.5.git6dee389.el7.src.rpm faq-0.0.6-5.el7.src.rpm openshift-4.5.0-202011131403.p0.git.0.d153f8f.el7.src.rpm openshift-ansible-4.5.0-202011121956.p0.git.0.7093c82.el7.src.rpm openshift-clients-4.5.0-202011121956.p0.git.3609.b4952c1.el7.src.rpm
noarch: openshift-ansible-4.5.0-202011121956.p0.git.0.7093c82.el7.noarch.rpm openshift-ansible-test-4.5.0-202011121956.p0.git.0.7093c82.el7.noarch.rpm
ppc64le: atomic-enterprise-service-catalog-4.5.0-202011121956.p0.git.1808.0eb4933.el7.ppc64le.rpm atomic-enterprise-service-catalog-svcat-4.5.0-202011121956.p0.git.1808.0eb4933.el7.ppc64le.rpm atomic-openshift-service-idler-4.5.0-202011121956.p0.git.15.cccc412.el7.ppc64le.rpm cri-o-1.18.4-4.rhaos4.5.git6dee389.el7.ppc64le.rpm cri-o-debuginfo-1.18.4-4.rhaos4.5.git6dee389.el7.ppc64le.rpm faq-0.0.6-5.el7.ppc64le.rpm faq-debuginfo-0.0.6-5.el7.ppc64le.rpm openshift-clients-4.5.0-202011121956.p0.git.3609.b4952c1.el7.ppc64le.rpm openshift-hyperkube-4.5.0-202011131403.p0.git.0.d153f8f.el7.ppc64le.rpm
s390x:

Read the Full Advisory


Advisory ID: RHSA-2020:5119-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5119
Issue date: 2020-11-24

Topic

Red Hat OpenShift Container Platform release 4.5.20 is now available with updates to packages and images that fix several bugs.

This release also includes a security update for golang for Red Hat OpenShift Container Platform 4.5.20.

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 security update DoS Moderate Red Hat OpenShift golang

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.5 - noarch, ppc64le, s390x, x86_64

Bugs Fixed

1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS

1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs

1897972 - Placeholder bug for OCP 4.5.z rpm release

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