(RHSA-2022:0447) Important: Red Hat Single Sign-On 7.5.1 security update on RHEL 7

Red Hat Single Sign-On 7.5 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 7.5.1 on RHEL 7 serves as a replacement for Red Hat Single Sign-On 7.5.0, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• undertow: client side invocation timeout raised when calling over HTTP and HTTP2 (CVE-2021-3859)

• log4j: Remote code execution in Log4j 1.x when application is configured to
  use JMSSink (CVE-2022-23302)

• log4j: SQL injection in Log4j 1.x when application is configured to use
  JDBCAppender (CVE-2022-23305)

• log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)

• log4j: Remote code execution in Log4j 1.x when application is configured to
  use JMSAppender (CVE-2021-4104)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.