7.5 - RHSA-2020:0445

Problem Description:

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