RHSA-2021:5217: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.0 security update

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Issued:

2021-12-20

Updated:

2021-12-20

RHSA-2021:5217 - Security Advisory

• Overview
• Updated Packages

Synopsis

Important: Red Hat Single Sign-On 7.5.0 security update

Type/Severity

Security Advisory: Important

Topic

A security update is now available for Red Hat Single Sign-On 7.5 from the Customer Portal.

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 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).

Affected Products

• Red Hat Single Sign-On Text-Only Advisories x86_64

Fixes

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

References

• 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://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.5/

Red Hat Single Sign-On Text-Only Advisories

SRPM

x86_64

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.