RHSA-2023:7486 - Security Advisory

Topic

A new image is available for Red Hat Single Sign-On 7.6.6, running on OpenShift Container Platform 3.10 and 3.11, and 4.3.

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 7.6.6 for use within the OpenShift Container Platform 3.10, OpenShift Container Platform 3.11, and OpenShift Container Platform 4.3 cloud computing Platform-as-a-Service (PaaS) for on-premise or private cloud deployments, aligning with the standalone product release.

Security Fix(es):

• undertow: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS

attack (Rapid Reset Attack) (CVE-2023-44487)

• netty-codec-http2: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable

to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

• bouncycastle: potential blind LDAP injection attack using a self-signed

certificate (CVE-2023-33201)

• keycloak: impersonation and lockout possible through incorrect handling of

email trust (CVE-2023-0105)

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 7.6.6 for OpenShift image, follow these steps to pull in the content:

1. On your main 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 sso76-image-stream.json \
sso76-https.json \
sso76-mysql.json \
sso76-mysql-persistent.json \
sso76-postgresql.json \
sso76-postgresql-persistent.json \
sso76-x509-https.json \
sso76-x509-mysql-persistent.json \
sso76-x509-postgresql-persistent.json
do
oc replace -n openshift --force -f \
https://raw.githubusercontent.com/jboss-container-images/redhat-sso-7-openshift-image/v7.6.6.GA/templates/${resource}
done

3. Install the Red Hat Single Sign-On 7.6.6 for OpenShift streams in the "openshift" project by running the following command:

$ oc -n openshift import-image redhat-sso76-openshift:1.0

Affected Products

• Red Hat OpenShift Container Platform 4.12 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.11 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.10 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.10 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.10 for RHEL 8 s390x

Fixes

• BZ - 2158910 - CVE-2023-0105 keycloak: impersonation and lockout possible through incorrect handling of email trust
• BZ - 2215465 - CVE-2023-33201 bouncycastle: potential blind LDAP injection attack using a self-signed certificate
• BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

CVEs

• CVE-2023-0105
• CVE-2023-33201
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003