(RHSA-2020:4931) Moderate: Red Hat Single Sign-On 7.4.3 security update

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 7.4.3 serves as a replacement for Red Hat Single Sign-On 7.4.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• picketbox: JBoss EAP reload to admin-only mode allows authentication bypass (CVE-2020-14299)

• wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl (CVE-2020-14338)

• xnio: file descriptor leak caused by growing amounts of NIO Selector file handles may lead to DoS (CVE-2020-14340)

• keycloak: user can manage resources with just “view-profile” role using new Account Console (CVE-2020-14389)

• cxf: JMX integration is vulnerable to a MITM attack (CVE-2020-1954)

• keycloak: OIDC redirect_uri allows dangerous schemes resulting in potential XSS (CVE-2020-10776)

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.