RHSA-2021:2065: Moderate: Red Hat Single Sign-On 7.4.7 security update on RHEL 8
Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.This release of Red Hat Single Sign-On 7.4.7 serves as a replacement for Red Hat Single Sign-On 7.4.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.Security Fix(es): keycloak: Backchannel logout not working when Principal Type is set to Attribute Name for external SAML IDP (CVE-2021-3461) keycloak: Internationalized domain name (IDN) homograph attack to impersonate users (CVE-2021-3424) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/rh-sso7-keycloakto a version that resolves this vulnerability.Fixed in 9.0.13-1.redhat_00006.1.el8 - Upgrade
Upgrade
redhat/rh-sso7-keycloak-serverto a version that resolves this vulnerability.Fixed in 9.0.13-1.redhat_00006.1.el8 - Upgrade
Upgrade
Red Hat Single Sign-On 7.4.7to a version that resolves this vulnerability.Fixed in 7.4.7
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:2065?
The severity of RHSA-2021:2065 is classified as moderate.
How do I fix RHSA-2021:2065?
To fix RHSA-2021:2065, you should upgrade to version 9.0.13-1.redhat_00006.1.el8 of rh-sso7-keycloak or rh-sso7-keycloak-server.
What are the affected packages in RHSA-2021:2065?
The affected packages in RHSA-2021:2065 include rh-sso7-keycloak and rh-sso7-keycloak-server.
What products are impacted by RHSA-2021:2065?
RHSA-2021:2065 impacts Red Hat Single Sign-On 7.4.7 based on the Keycloak project.
Is there a known issue related to RHSA-2021:2065?
Yes, there are known issues related to RHSA-2021:2065 identified in Bugzilla entries 1933320 and 1941565.