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AUSCERT External Security Bulletin Redistribution
ESB-2020.0450
Red Hat Single Sign-On 7.3.6 security update
7 February 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat Single Sign-On
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Cross-site Scripting -- Remote/Unauthenticated
Read-only Data Access -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-17531 CVE-2019-17267 CVE-2019-16943
CVE-2019-16942 CVE-2019-16869 CVE-2019-16335
CVE-2019-14893 CVE-2019-14892 CVE-2019-14540
CVE-2019-10219 CVE-2019-10173
Reference: ESB-2020.0216
ESB-2019.4737
ESB-2019.4612
ESB-2019.4601
ESB-2019.4370
ESB-2019.4332
ESB-2019.3734
ESB-2015.2574
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:0445
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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.3.6 security update
Advisory ID: RHSA-2020:0445-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0445
Issue date: 2020-02-06
CVE Names: CVE-2019-10173 CVE-2019-10219 CVE-2019-14540
CVE-2019-14892 CVE-2019-14893 CVE-2019-16335
CVE-2019-16869 CVE-2019-16942 CVE-2019-16943
CVE-2019-17267 CVE-2019-17531
=====================================================================
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:
<< AUTOMATICALLY GENERATED, EDIT PLEASE >>
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 7.3.6 serves as a replacement for
Red Hat Single Sign-On 7.3.5, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.
Security Fix(es):
* jackson-databind: enabling default typing leads to code execution
(CVE-2019-17531)
* netty: HTTP request smuggling by mishandled whitespace before the colon
in HTTP headers (CVE-2019-16869)
* jackson-databind: Serialization gadgets in classes of the p6spy package
(CVE-2019-16943)
* jackson-databind: Serialization gadgets in classes of the commons-dbcp
package (CVE-2019-16942)
* jackson-databind: Serialization gadgets in classes of the xalan package
(CVE-2019-14893)
* jackson-databind: Serialization gadgets in classes of the
commons-configuration package (CVE-2019-14892)
* jackson-databind: Serialization gadgets in classes of the ehcache package
(CVE-2019-17267)
* jackson-databind: polymorphic typing issue related to
com.zaxxer.hikari.HikariConfig (CVE-2019-14540)
* jackson-databind: polymorphic typing issue related to
com.zaxxer.hikari.HikariDataSource (CVE-2019-16335)
* hibernate-validator: safeHTML validator allows XSS (CVE-2019-10219)
* xstream: remote code execution due to insecure XML deserialization
regression (CVE-2019-10173)
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/):
1722971 - CVE-2019-10173 xstream: remote code execution due to insecure XML
deserialization (regression of CVE-2013-7285)
1738673 - CVE-2019-10219 hibernate-validator: safeHTML validator allows XSS
1755831 - CVE-2019-16335 jackson-databind: polymorphic typing issue related to
com.zaxxer.hikari.HikariDataSource
1755849 - CVE-2019-14540 jackson-databind: polymorphic typing issue related to
com.zaxxer.hikari.HikariConfig
1758167 - CVE-2019-17267 jackson-databind: Serialization gadgets in classes of
the ehcache package
1758171 - CVE-2019-14892 jackson-databind: Serialization gadgets in classes of
the commons-configuration package
1758182 - CVE-2019-14893 jackson-databind: Serialization gadgets in classes of
the xalan package
1758187 - CVE-2019-16942 jackson-databind: Serialization gadgets in classes of
the commons-dbcp package
1758191 - CVE-2019-16943 jackson-databind: Serialization gadgets in classes of
the p6spy package
1758619 - CVE-2019-16869 netty: HTTP request smuggling by mishandled whitespace
before the colon in HTTP headers
1775293 - CVE-2019-17531 jackson-databind: polymorphic typing issue when enabling
default typing for an externally exposed JSON endpoint and having apache-log4j-extra
in the classpath leads to code execution
5. References:
https://access.redhat.com/security/cve/CVE-2019-10173
https://access.redhat.com/security/cve/CVE-2019-10219
https://access.redhat.com/security/cve/CVE-2019-14540
https://access.redhat.com/security/cve/CVE-2019-14892
https://access.redhat.com/security/cve/CVE-2019-14893
https://access.redhat.com/security/cve/CVE-2019-16335
https://access.redhat.com/security/cve/CVE-2019-16869
https://access.redhat.com/security/cve/CVE-2019-16942
https://access.redhat.com/security/cve/CVE-2019-16943
https://access.redhat.com/security/cve/CVE-2019-17267
https://access.redhat.com/security/cve/CVE-2019-17531
https://access.redhat.com/security/updates/classification/#important
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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