Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

RedHat: RHSA-2021:5241-01 Critical: Keycloak Security Oversight

red hat
Calendar Grey December 20, 2021
Dist Redhat Esm H88
An update published by Red Hat provides an essential security fix for Single Sign-On version 7.5.0, correcting severe vulnerabilities related to access control.
A security update is now available for Red Hat Single Sign-On 7.5 from the Customer Portal

Solution

Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.

The References section of this erratum contains a download link (you must log in to download the update).

Summary

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.

Topics%20covered

Topics Covered

security advisory security update important authorization flaw red hat single sign-on CVE-2021-4133

References

https://access.redhat.com/security/cve/CVE-2021-4133 https://access.redhat.com/security/updates/classification#important https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&version=7.5 https://docs.redhat.com/en/documentation/red_hat_single_sign-on/7.5

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:5217-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5217
Issue date: 2021-12-20

Topic

A security update is now available for Red Hat Single Sign-On 7.5 from theCustomer Portal.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update important authorization flaw red hat single sign-on CVE-2021-4133

Relevant Releases Architectures

Bugs Fixed

2033602 - CVE-2021-4133 Keycloak: Incorrect authorization allows unpriviledged users to create other users

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here