Issued:

2021-06-29

Updated:

2021-06-29

RHSA-2021:2500 - Moderate: Red Hat OpenShift Enterprise security and bug fix update

Synopsis

Moderate: Red Hat OpenShift Enterprise security and bug fix update

Type/Severity

Security Advisory Moderate

Topic

Red Hat OpenShift Container Platform release 4.6.36 is now available with updates to packages and images that fix several bugs and add enhancements.

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):

• nodejs-handlebars: lookup helper fails to properly validate templates allowing for arbitrary JavaScript execution (CVE-2019-20920)

• nodejs-handlebars: an endless loop while processing specially-crafted templates leads to DoS (CVE-2019-20922)

• nodejs-handlebars: Remote code execution when compiling untrusted compile templates with strict:true option (CVE-2021-23369)

• nodejs-handlebars: Remote code execution when compiling untrusted compile templates with compat:true option (CVE-2021-23383)

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.

Bug Fix(es):

• Setting up Kibana and Elasticsearch replica to 0, Kibana pods are created and indexmanagement jobs (BZ#1942609)

Solution

For OpenShift Container Platform 4.6 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.openshift.com/container-platform/4.6/release_notes/ocp-4-6-release-notes.html

Details on how to access this content are available at https://docs.openshift.com/container-platform/4.6/updating/updating-cluster-cli.html

Affected Products

Fixes

• This content is not included.BZ - 1882256
• This content is not included.BZ - 1882260
• This content is not included.BZ - 1942609
• This content is not included.BZ - 1948761
• This content is not included.BZ - 1956688

CVEs

• CVE-2019-20920
• CVE-2019-20922
• CVE-2021-23369
• CVE-2021-23383

References

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

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.