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Red Hat OpenShift 4.7.19 Important: RHSA-2021-2555-01 Security Update

red hat
Calendar Grey July 6, 2021
Dist Redhat Esm H88
Red Hat's OpenShift Container Platform version 4.7.19 introduces critical patches aimed at mitigating security vulnerabilities, alongside enhancements and corrections.
Red Hat OpenShift Container Platform release 4.7.19 is now available with updates to packages and images that fix several bugs and add enhancements

Solution

For OpenShift Container Platform 4.7 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/4.7/html/release_notes/ocp-4-7-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.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.7.19. See the following advisory for the container images for this release:

Security Fix(es):
* polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)
* dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217)
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.
All OpenShift Container Platform 4.7 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 - -between-minor.html#understanding-upgrade-channels_updating-cluster-between - -minor

Topics%20covered

Topics Covered

security advisory update red hat privilege escalation important stack overflow openshift

References

https://access.redhat.com/security/cve/CVE-2021-3560 https://access.redhat.com/security/cve/CVE-2021-25217 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat OpenShift Container Platform 4.7:
Source: cri-o-1.20.3-6.rhaos4.7.git0d0f863.el7.src.rpm openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el7.src.rpm
x86_64: cri-o-1.20.3-6.rhaos4.7.git0d0f863.el7.x86_64.rpm cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el7.x86_64.rpm openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el7.x86_64.rpm openshift-clients-redistributable-4.7.0-202106252127.p0.git.8b4b094.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.7:
Source: cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.src.rpm dhcp-4.3.6-41.el8_3.1.src.rpm openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el8.src.rpm openshift-kuryr-4.7.0-202106232224.p0.git.c7654fb.el8.src.rpm polkit-0.115-11.el8_3.2.src.rpm
noarch: dhcp-common-4.3.6-41.el8_3.1.noarch.rpm openshift-kuryr-cni-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm openshift-kuryr-common-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm openshift-kuryr-controller-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm python3-kuryr-kubernetes-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm
ppc64le: cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm cri-o-debugsource-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2555-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2555
Issue date: 2021-07-06

Topic

Red Hat OpenShift Container Platform release 4.7.19 is now available withupdates to packages and images that fix several bugs and add enhancements.This release includes a security update for Red Hat OpenShift ContainerPlatform 4.7.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 update red hat privilege escalation important stack overflow openshift

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.7 - noarch, ppc64le, s390x, x86_64

Bugs Fixed

1961710 - CVE-2021-3560 polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync()

1963258 - CVE-2021-25217 dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient

1976688 - Placeholder bug for OCP 4.7.0 rpm release

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