(RHSA-2021:0974) Moderate: Red Hat Single Sign-On 7.4.6 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 7.4.6 serves as a replacement for Red Hat Single Sign-On 7.4.5, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• bouncycastle: password bypass in OpenBSDBCrypt.checkPassword utility possible (CVE-2020-28052)

• nodejs-angular: XSS due to regex-based HTML replacement (CVE-2020-7676)

• jboss-remoting: Threads hold up forever in the EJB server by suppressing the ack from an EJB client (CVE-2020-35510)

• undertow: Possible regression in fix for CVE-2020-10687 (CVE-2021-20220)

• wildfly: Information disclosure due to publicly accessible privileged actions in JBoss EJB Client (CVE-2021-20250)

• guava: local information disclosure via temporary directory created with unsafe permissions (CVE-2020-8908)

• keycloak: reusable “state” parameter at redirect_uri endpoint enables possibility of replay attacks (CVE-2020-14302)

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.