RHBA-2020:2678 - Bug Fix Advisory

Topic

This erratum updates the current JWS 5.3 images to provide a fix for tomcat CVE-2020-9484. Update in the tomcat-servlet-3.0-api package.

Description

Red Hat xPaaS provides images for many of the Red Hat Middleware products for use within the OpenShift Container Platform cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments.

The current JWS 5.3 OpenShift images have been updated to address tomcat CVE-2020-9484. These images can be used with OpenShift Container Platform 3.10 and 3.11.

Solution

To update to the latest JWS 5.3 for OpenShift image, run the following steps to pull in the content:

On your master host(s), ensure you are logged into the CLI as a cluster administrator or user that has project administrator access to the global "openshift" project.

$ oc login -u system:admin

Then, run the following command to update the core JWS 5.3 tomcat 9 OpenShift image stream in the "openshift" project:

For updating the core JWS 5.3 tomcat 9 with OpenJDK8 OpenShift image please run

$ oc -n openshift import-image jboss-webserver53-openjdk8-tomcat9-openshift:1.0

For updating the core JWS 5.3 tomcat 9 with OpenJDK11 OpenShift image please run

$ oc -n openshift import-image jboss-webserver53-openjdk11-tomcat9-openshift:1.0

Affected Products

• Red Hat OpenShift Container Platform 3.11 x86_64
• Red Hat OpenShift Container Platform 3.10 x86_64

Fixes

• BZ - 1838332 - CVE-2020-9484 tomcat: deserialization flaw in session persistence storage leading to RCE

CVEs

• CVE-2020-9484

References

• https://access.redhat.com/errata/RHSA-2020:2530