Home / mailings [RHSA-2019:3050-01] Important: Red Hat Single Sign-On 7.3.4 security update
Posted on 14 October 2019
RedHat===================================================================== 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.
