RHSA-2022:0164 - Security Advisory

Topic

A new image is available for Red Hat Single Sign-On 7.5.1, running on OpenShift Container Platform 3.10 and 3.11, and 4.9.

Red Hat Product Security has rated this update as having a security impact of important. 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 Single Sign-On is an integrated sign-on solution, available as a
Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat
Single Sign-On for OpenShift image provides an authentication server that
you can use to log in centrally, log out, and register. You can also manage
user accounts for web applications, mobile applications, and RESTful web
services.

This erratum releases a new image for Red Hat Single Sign-On 7.5.1 for
use within the OpenShift Container Platform 3.10, OpenShift Container Platform
3.11, and within the OpenShift Container Platform 4.9 cloud computing Platform-as-a-Service (PaaS) for
on-premise or private cloud deployments, aligning with the standalone product release.

Security Fix(es):

• resteasy-jaxrs: resteasy: Error message exposes endpoint class information (CVE-2021-20289)
• keycloak-server-spi-private: ECP SAML binding bypasses authentication flows (CVE-2021-3827)
• xmlsec: xml-security: XPath Transform abuse allows for information disclosure (CVE-2021-40690)
• keycloak-services: Keycloak: Incorrect authorization allows unpriviledged users to create other users (CVE-2021-4133)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Solution

To update to the latest Red Hat Single Sign-On 7.5.1 for OpenShift
image, Follow these steps to pull in the content:

1. On your master hosts, ensure you are logged into the CLI as a
cluster administrator or user with project administrator access
to the global "openshift" project. For example:

$ oc login -u system:admin

2. Update the core set of Red Hat Single Sign-On resources for OpenShift
in the "openshift" project by running the following commands:

$ for resource in sso75-image-stream.json \
sso75-https.json \
sso75-mysql.json \
sso75-mysql-persistent.json \
sso75-postgresql.json \
sso75-postgresql-persistent.json \
sso75-x509-https.json \
sso75-x509-mysql-persistent.json \
sso75-x509-postgresql-persistent.json
do
oc replace -n openshift --force -f \
https://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.5.1.GA/templates/${resource}
done

3. Install the Red Hat Single Sign-On 7.5.1 for OpenShift streams in the
"openshift" project by running the following commands:

$ oc -n openshift import-image redhat-sso75-openshift:1.0

Affected Products

• Red Hat OpenShift Container Platform 4.9 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.8 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.9 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.8 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.9 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.8 for RHEL 8 s390x

Fixes

• BZ - 1935927 - CVE-2021-20289 resteasy: Error message exposes endpoint class information
• BZ - 2007512 - CVE-2021-3827 keycloak-server-spi-private: ECP SAML binding bypasses authentication flows
• BZ - 2011190 - CVE-2021-40690 xml-security: XPath Transform abuse allows for information disclosure
• BZ - 2033602 - CVE-2021-4133 Keycloak: Incorrect authorization allows unpriviledged users to create other users
• CIAM-1169 - 7.5.1 Deliverables - OCP image

CVEs

• CVE-2021-3827
• CVE-2021-4133
• CVE-2021-20289
• CVE-2021-40690

References

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