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Red Hat Security Advisory 2019-3046-01

Red Hat Security Advisory 2019-3046-01
Posted Oct 14, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3046-01 - 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 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include bypass and code execution vulnerabilities.

tags | advisory, web, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2019-10184, CVE-2019-12086, CVE-2019-12814, CVE-2019-14379, CVE-2019-14820, CVE-2019-14832
MD5 | ab6f65dbc2c4eb6f4c7094f30ee9db20

Red Hat Security Advisory 2019-3046-01

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

Synopsis: Important: Red Hat Single Sign-On 7.3.4 security update on RHEL 8
Advisory ID: RHSA-2019:3046-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3046
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:

New Red Hat Single Sign-On 7.3.4 packages are now available for Red Hat
Enterprise Linux 8.

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. Relevant releases/architectures:

Red Hat Single Sign-On 7.3 for RHEL 8 - noarch

3. 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 on RHEL 8 serves as a
replacement for Red Hat Single Sign-On 7.3.3, 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. 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

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

KEYCLOAK-11456 - Tracker bug for the RH-SSO 7.3.4 release for RHEL8

7. Package List:

Red Hat Single Sign-On 7.3 for RHEL 8:

Source:
rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el8sso.src.rpm

noarch:
rh-sso7-keycloak-4.8.13-1.Final_redhat_00001.1.el8sso.noarch.rpm
rh-sso7-keycloak-server-4.8.13-1.Final_redhat_00001.1.el8sso.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

8. 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/documentation/en-us/red_hat_single_sign-on/7.3/

9. 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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