(RHSA-2021:0034) Important: OpenShift Container Platform 4.5.27 packages and security update

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):

• jenkins-2-plugins/subversion: XML parser is not preventing XML external entity (XXE) attacks (CVE-2020-2304)

• jenkins-2-plugins/mercurial: XML parser is not preventing XML external entity (XXE) attacks (CVE-2020-2305)

• jenkins-2-plugins/mercurial: Missing permission check in an HTTP endpoint could result in information disclosure (CVE-2020-2306)

• jenkins-2-plugins/kubernetes: Jenkins controller environment variables are accessible in Kubernetes Plugin (CVE-2020-2307)

• jenkins-2-plugins/kubernetes: Missing permission check in Kubernetes Plugin allows listing pod templates (CVE-2020-2308)

• jenkins-2-plugins/kubernetes: Missing permission check in Kubernetes Plugin allows enumerating credentials IDs (CVE-2020-2309)

• python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

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 4.5.27. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHBA-2021:0033

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 https://docs.openshift.com/container-platform/4.5/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor.