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Red Hat Security Advisory 2022-0155-03

Red Hat Security Advisory 2022-0155-03
Posted Jan 18, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0155-03 - 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 release of Red Hat Single Sign-On 7.5.1 serves as a replacement for Red Hat Single Sign-On 7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass and information leakage vulnerabilities.

tags | advisory, web, vulnerability
systems | linux, redhat
advisories | CVE-2021-20289, CVE-2021-3827, CVE-2021-40690, CVE-2021-4133
SHA-256 | 4c0b16a974bf253bc32ca22c28c4edf3c4e06956e38c42a867c7ba9cb78f69f6

Red Hat Security Advisory 2022-0155-03

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: Red Hat Single Sign-On 7.5.1 security update
Advisory ID: RHSA-2022:0155-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0155
Issue date: 2022-01-17
CVE Names: CVE-2021-3827 CVE-2021-4133 CVE-2021-20289
CVE-2021-40690
=====================================================================

1. Summary:

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.

2. 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 release of Red Hat Single Sign-On 7.5.1 serves as a replacement for
Red Hat Single Sign-On 7.5.0, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.

Security Fix(es):

* Keycloak: Incorrect authorization allows unpriviledged users to create
other users (CVE-2021-4133)

* keycloak-server-spi-private: ECP SAML binding bypasses authentication
flows (CVE-2021-3827)

* xml-security: XPath Transform abuse allows for information disclosure
(CVE-2021-40690)

* resteasy: Error message exposes endpoint class information
(CVE-2021-20289)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

3. 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).

4. Bugs fixed (https://bugzilla.redhat.com/):

1935927 - CVE-2021-20289 resteasy: Error message exposes endpoint class information
2007512 - CVE-2021-3827 keycloak-server-spi-private: ECP SAML binding bypasses authentication flows
2011190 - CVE-2021-40690 xml-security: XPath Transform abuse allows for information disclosure
2033602 - CVE-2021-4133 Keycloak: Incorrect authorization allows unpriviledged users to create other users

5. JIRA issues fixed (https://issues.jboss.org/):

CIAM-1176 - 7.5.1 Deliverables - RPMs

6. References:

https://access.redhat.com/security/cve/CVE-2021-3827
https://access.redhat.com/security/cve/CVE-2021-4133
https://access.redhat.com/security/cve/CVE-2021-20289
https://access.redhat.com/security/cve/CVE-2021-40690
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/

7. Contact:

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

Copyright 2022 Red Hat, Inc.
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