RHSA-2023:3884: Important: Red Hat Single Sign-On 7.6.4 security update on RHEL 8
Red Hat Single Sign-On 7.6 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 7.6.4 on RHEL 8 serves as a replacement for Red Hat Single Sign-On 7.6.3, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.Security Fix(es): keycloak: Cross-site scripting when validating URI-schemes on SAML and OIDC (CVE-2022-4361) undertow: Infinite loop in SslConduit during close (CVE-2023-1108) keycloak: oauth client impersonation (CVE-2023-2422) keycloak: Untrusted Certificate Validation (CVE-2023-1664) keycloak: client access via device auth request spoof (CVE-2023-2585) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:3884?
The severity of RHSA-2023:3884 is classified as critical.
How do I fix RHSA-2023:3884?
To fix RHSA-2023:3884, update to the latest version of rh-sso7-keycloak or rh-sso7-keycloak-server, specifically to version 18.0.8-1.redhat_00001.1.el8.
Which systems are affected by RHSA-2023:3884?
RHSA-2023:3884 affects systems running Red Hat Single Sign-On 7.6.4, specifically those based on RHEL 8.
What components are involved in RHSA-2023:3884?
The components involved in RHSA-2023:3884 are rh-sso7-keycloak and rh-sso7-keycloak-server packages.
Is there a mitigation for RHSA-2023:3884?
The recommended mitigation for RHSA-2023:3884 is to apply the necessary software updates as specified in the advisory.