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Red Hat Security Advisory
Synopsis: Important: Red Hat Single Sign-On 7.4.1 security update
Advisory ID: RHSA-2020:2813-01
Product: Red Hat Single Sign-On
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2813
Issue date: 2020-07-02
CVE Names: CVE-2020-1694 CVE-2020-1714 CVE-2020-8840
CVE-2020-9546 CVE-2020-9547 CVE-2020-9548
CVE-2020-10719 CVE-2020-10748 CVE-2020-11022
CVE-2020-11023
====================================================================
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 7.4.1 serves as a replacement for
Red Hat Single Sign-On 7.4.0, and includes bug fixes and enhancements,
which are documented in the Release Notes document linked to in the
References.
Security Fix(es):
* keycloak: verify-token-audience support is missing in the NodeJS adapter
(CVE-2020-1694)
* keycloak: Lack of checks in ObjectInputStream leading to Remote Code
Execution (CVE-2020-1714)
* js-jquery: jquery: Cross-site scripting due to improper
injQuery.htmlPrefilter method (CVE-2020-11022)
* js-jquery: jQuery: passing HTML containing <option> elements to
manipulation methods could result in untrusted code execution
(CVE-2020-11023)
* undertow: invalid HTTP request with large chunk size (CVE-2020-10719)
* keycloak: top-level navigations to data URLs resulting in XSS are
possible (incomplete fix of CVE-2020-1697) (CVE-2020-10748)
* jackson-databind: Lacks certain xbean-reflect/JNDI blocking
(CVE-2020-8840)
* jackson-databind: Serialization gadgets in shaded-hikari-config
(CVE-2020-9546)
* jackson-databind: Serialization gadgets in ibatis-sqlmap (CVE-2020-9547)
* jackson-databind: Serialization gadgets in anteros-core (CVE-2020-9548)
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/):
1705975 - CVE-2020-1714 keycloak: Lack of checks in ObjectInputStream leading to Remote Code Execution
1790759 - CVE-2020-1694 keycloak: verify-token-audience support is missing in the NodeJS adapter
1816330 - CVE-2020-8840 jackson-databind: Lacks certain xbean-reflect/JNDI blocking
1816332 - CVE-2020-9546 jackson-databind: Serialization gadgets in shaded-hikari-config
1816337 - CVE-2020-9547 jackson-databind: Serialization gadgets in ibatis-sqlmap
1816340 - CVE-2020-9548 jackson-databind: Serialization gadgets in anteros-core
1828406 - CVE-2020-11022 jquery: Cross-site scripting due to improper injQuery.htmlPrefilter method
1828459 - CVE-2020-10719 undertow: invalid HTTP request with large chunk size
1836786 - CVE-2020-10748 keycloak: top-level navigations to data URLs resulting in XSS are possible (incomplete fix of CVE-2020-1697)
1850004 - CVE-2020-11023 jQuery: passing HTML containing <option> elements to manipulation methods could result in untrusted code execution
5. References:
https://access.redhat.com/security/cve/CVE-2020-1694
https://access.redhat.com/security/cve/CVE-2020-1714
https://access.redhat.com/security/cve/CVE-2020-8840
https://access.redhat.com/security/cve/CVE-2020-9546
https://access.redhat.com/security/cve/CVE-2020-9547
https://access.redhat.com/security/cve/CVE-2020-9548
https://access.redhat.com/security/cve/CVE-2020-10719
https://access.redhat.com/security/cve/CVE-2020-10748
https://access.redhat.com/security/cve/CVE-2020-11022
https://access.redhat.com/security/cve/CVE-2020-11023
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&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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