Important: Red Hat Single Sign-On 7.4.1 security update
Type/Severity
Security Advisory: Important
Topic
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.
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
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.
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).
Affected Products
Red Hat Single Sign-On Text-Only Advisories x86_64
Fixes
BZ - 1705975 - CVE-2020-1714 keycloak: Lack of checks in ObjectInputStream leading to Remote Code Execution
BZ - 1790759 - CVE-2020-1694 keycloak: verify-token-audience support is missing in the NodeJS adapter
BZ - 1816330 - CVE-2020-8840 jackson-databind: Lacks certain xbean-reflect/JNDI blocking
BZ - 1816332 - CVE-2020-9546 jackson-databind: Serialization gadgets in shaded-hikari-config
BZ - 1816337 - CVE-2020-9547 jackson-databind: Serialization gadgets in ibatis-sqlmap
BZ - 1816340 - CVE-2020-9548 jackson-databind: Serialization gadgets in anteros-core
BZ - 1828406 - CVE-2020-11022 jquery: Cross-site scripting due to improper injQuery.htmlPrefilter method
BZ - 1828459 - CVE-2020-10719 undertow: invalid HTTP request with large chunk size
BZ - 1836786 - CVE-2020-10748 keycloak: top-level navigations to data URLs resulting in XSS are possible (incomplete fix of CVE-2020-1697)
BZ - 1850004 - CVE-2020-11023 jQuery: passing HTML containing <option> elements to manipulation methods could result in untrusted code execution