Issued:
2021-12-20
Updated:
2021-12-20

RHSA-2021:5219 - Important: Red Hat Single Sign-On security update on RHEL 8

Synopsis

Important: Red Hat Single Sign-On security update on RHEL 8

Type/Severity

Security Advisory Important

Topic

A security update is now available for Red Hat Single Sign-On 7.5 on Red Hat Enterprise Linux 8.

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 7.5 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 is an asynchronous patch for Red Hat Single Sign-On 7.5, and includes one security fix.

Security Fix:

  • 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

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Single Sign-On7.5x86_64

Updated Packages

  • rh-sso7-keycloak-15.0.2-3.redhat_00002.1.el8sso.noarch.rpm
  • rh-sso7-keycloak-15.0.2-3.redhat_00002.1.el8sso.src.rpm
  • rh-sso7-keycloak-server-15.0.2-3.redhat_00002.1.el8sso.noarch.rpm

Fixes

CVEs

References

Additional information