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Red Hat OpenShift 4.2 Advisory: RHSA-2020-2592 Moderate Risk for Networking

red hat
Calendar Grey July 1, 2020
Dist Redhat Esm H88
Red Hat's security advisory for OpenShift 4.2.36 addresses critical network vulnerabilities, urging users to apply patches for enhanced security and access controls
An update for containernetworking-plugins is now available for Red Hat OpenShift Container Platform 4.2

Solution

For OpenShift Container Platform 4.2 see the following documentation, which will be updated shortly for release 4.2.36, 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/4.2/html/release_notes/ocp-4-2-release-notes

Details on how to access this content are available at - -cli.html.

Summary

The Container Network Interface (CNI) project consists of a specification and libraries for writing plug-ins for configuring network interfaces in Linux containers, along with a number of supported plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted.
Security Fix(es):
* containernetworking/plugins: IPv6 router advertisements allowed for MitM attacks on IPv4 clusters (CVE-2020-10749)
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 network connectivity OpenShift containernetworking MitM attack

References

https://access.redhat.com/security/cve/CVE-2020-10749 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat OpenShift Container Platform 4.2:
Source: containernetworking-plugins-0.8.6-1.rhaos4.2.el7.src.rpm
s390x: containernetworking-plugins-0.8.6-1.rhaos4.2.el7.s390x.rpm containernetworking-plugins-debuginfo-0.8.6-1.rhaos4.2.el7.s390x.rpm
x86_64: containernetworking-plugins-0.8.6-1.rhaos4.2.el7.x86_64.rpm containernetworking-plugins-debuginfo-0.8.6-1.rhaos4.2.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.2:
Source: containernetworking-plugins-0.8.6-1.rhaos4.2.el8.src.rpm
s390x: containernetworking-plugins-0.8.6-1.rhaos4.2.el8.s390x.rpm containernetworking-plugins-debuginfo-0.8.6-1.rhaos4.2.el8.s390x.rpm containernetworking-plugins-debugsource-0.8.6-1.rhaos4.2.el8.s390x.rpm
x86_64: containernetworking-plugins-0.8.6-1.rhaos4.2.el8.x86_64.rpm containernetworking-plugins-debuginfo-0.8.6-1.rhaos4.2.el8.x86_64.rpm containernetworking-plugins-debugsource-0.8.6-1.rhaos4.2.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-2020:2592-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2592
Issue date: 2020-07-01

Topic

An update for containernetworking-plugins is now available for Red HatOpenShift Container Platform 4.2.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 network connectivity OpenShift containernetworking MitM attack

Relevant Releases Architectures

Red Hat OpenShift Container Platform 4.2 - s390x, x86_64

Bugs Fixed

1833220 - CVE-2020-10749 containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters

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