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

Synopsis:          Important: Red Hat Single Sign-On 7.3.4 security update
Advisory ID:       RHSA-2019:3050-01
Product:           Red Hat Single Sign-On
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3050
Issue date:        2019-10-14
CVE Names:         CVE-2019-10184 CVE-2019-12086 CVE-2019-12814
                   CVE-2019-14379 CVE-2019-14820 CVE-2019-14832
====================================================================
1. Summary:

A security update is now available for Red Hat Single Sign-On 7.3 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 7.3 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 7.3.4 serves as a replacement for
Red Hat Single Sign-On 7.2.6, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.

Security Fix(es):

* keycloak: cross-realm user access auth bypass (CVE-2019-14832)

* keycloak: adapter endpoints are exposed via arbitrary URLs
(CVE-2019-14820)

* jackson-databind: polymorphic typing issue allows attacker to read
arbitrary local files on the server via crafted JSON message
(CVE-2019-12814)

* jackson-databind: default typing mishandling leading to remote code
execution (CVE-2019-14379)

* jackson-databind: polymorphic typing issue allows attacker to read
arbitrary local files on the server (CVE-2019-12086)

* undertow: Information leak in requests for directories without trailing
slashes (CVE-2019-10184)

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.

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/):

1649870 - CVE-2019-14820 keycloak: adapter endpoints are exposed via arbitrary URLs
1713068 - CVE-2019-10184 undertow: Information leak in requests for directories without trailing slashes
1713468 - CVE-2019-12086 jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server.
1725795 - CVE-2019-12814 jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server via crafted JSON message.
1737517 - CVE-2019-14379 jackson-databind: default typing mishandling leading to remote code execution
1749487 - CVE-2019-14832 keycloak: cross-realm user access auth bypass

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

KEYCLOAK-11367 - [GSS][7.3.z] Credentials tab on clients can only be displayed with view-realm

6. References:

https://access.redhat.com/security/cve/CVE-2019-10184
https://access.redhat.com/security/cve/CVE-2019-12086
https://access.redhat.com/security/cve/CVE-2019-12814
https://access.redhat.com/security/cve/CVE-2019-14379
https://access.redhat.com/security/cve/CVE-2019-14820
https://access.redhat.com/security/cve/CVE-2019-14832
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.3
https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.3/

7. Contact:

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

Copyright 2019 Red Hat, Inc.
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