(RHSA-2019:3046) Important: Red Hat Single Sign-On 7.3.4 security update on RHEL 8

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 7.3.4 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.3.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• keycloak: cross-realm user access auth bypass (CVE-2019-14832)

• keycloak: adapter endpoints are exposed via arbitrary URLs (CVE-2019-14820)

• jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server via crafted JSON message (CVE-2019-12814)

• jackson-databind: default typing mishandling leading to remote code execution (CVE-2019-14379)

• jackson-databind: polymorphic typing issue allows attacker to read arbitrary local files on the server (CVE-2019-12086)

• undertow: Information leak in requests for directories without trailing slashes (CVE-2019-10184)

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.