RHSA-2019:4087 - Security Advisory

Topic

An update for openshift is now available for Red Hat OpenShift Container Platform 4.1.

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.

Description

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):

• libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions (CVE-2017-18367)
• kubernetes: Bearer tokens written to logs at high verbosity levels (>= 7) (CVE-2019-11250)

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.

Solution

For OpenShift Container Platform 4.1 see the following documentation, which will be updated shortly for release 4.1.27, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-release-notes.html

Details on how to access this content are available at https://docs.openshift.com/container-platform/4.1/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.1 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.1 for RHEL 7 x86_64

Fixes

• BZ - 1706826 - CVE-2017-18367 libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions
• BZ - 1740434 - CVE-2019-11250 kubernetes: Bearer tokens written to logs at high verbosity levels (>= 7)

CVEs

• CVE-2017-18367
• CVE-2019-11250

References

• https://access.redhat.com/security/updates/classification/#moderate