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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: Red Hat Single Sign-On 7.4.3 security update
Advisory ID:       RHSA-2020:4931-01
Product:           Red Hat Single Sign-On
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4931
Issue date:        2020-11-04
CVE Names:         CVE-2020-1954 CVE-2020-10776 CVE-2020-14299
                   CVE-2020-14338 CVE-2020-14340 CVE-2020-14389
====================================================================
1. Summary:

A security update is now available for Red Hat Single Sign-On 7.4 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 7.4 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 7.4.3 serves as a replacement for
Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.

Security Fix(es):

* picketbox: JBoss EAP reload to admin-only mode allows authentication
bypass (CVE-2020-14299)

* wildfly: XML validation manipulation due to incomplete application of
use-grammar-pool-only in xercesImpl (CVE-2020-14338)

* xnio: file descriptor leak caused by growing amounts of NIO Selector file
handles may lead to DoS (CVE-2020-14340)

* keycloak: user can manage resources with just "view-profile" role using
new Account Console (CVE-2020-14389)

* cxf: JMX integration is vulnerable to a MITM attack (CVE-2020-1954)

* keycloak: OIDC redirect_uri allows dangerous schemes resulting in
potential XSS (CVE-2020-10776)

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/):

1824301 - CVE-2020-1954 cxf: JMX integration is vulnerable to a MITM attack
1847428 - CVE-2020-10776 keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS
1848533 - CVE-2020-14299 picketbox: JBoss EAP reload to admin-only mode allows authentication bypass
1860054 - CVE-2020-14338 wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl
1860218 - CVE-2020-14340 xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS
1875843 - CVE-2020-14389 keycloak: user can manage resources with just "view-profile" role using new Account Console

5. References:

https://access.redhat.com/security/cve/CVE-2020-1954
https://access.redhat.com/security/cve/CVE-2020-10776
https://access.redhat.com/security/cve/CVE-2020-14299
https://access.redhat.com/security/cve/CVE-2020-14338
https://access.redhat.com/security/cve/CVE-2020-14340
https://access.redhat.com/security/cve/CVE-2020-14389
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4
https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.4/

6. Contact:

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

Copyright 2020 Red Hat, Inc.
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