RHSA-2023:2707: Moderate: Red Hat Single Sign-On 7.6.3 security update on RHEL 9
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 7.6.3 on RHEL 9 serves as a replacement for Red Hat Single Sign-On 7.6.2, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References.Security Fix(es): okhttp: information disclosure via improperly used cryptographic function (CVE-2021-0341) undertow: Server identity in https connection is not checked by the undertow client (CVE-2022-4492) snakeyaml: Uncaught exception in java.base/java.util.ArrayList.hashCode (CVE-2022-38752) dev-java/snakeyaml: DoS via stack overflow (CVE-2022-41854) codec-haproxy: HAProxyMessageDecoder Stack Exhaustion DoS (CVE-2022-41881) apache-james-mime4j: Temporary File Information Disclosure in MIME4J TempFileStorageProvider (CVE-2022-45787) RESTEasy: creation of insecure temp files (CVE-2023-0482) 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/rh-sso7-keycloakto a version that resolves this vulnerability.Fixed in 18.0.7-1.redhat_00001.1.el9 - Upgrade
Upgrade
redhat/rh-sso7-keycloak-serverto a version that resolves this vulnerability.Fixed in 18.0.7-1.redhat_00001.1.el9 - Upgrade
Upgrade
Red Hat Single Sign-Onto a version that resolves this vulnerability.Fixed in 7.6.3
Event History
Frequently Asked Questions
What is the severity of RHSA-2023:2707?
The severity of RHSA-2023:2707 is classified as critical.
How do I fix RHSA-2023:2707?
To fix RHSA-2023:2707, you should upgrade to the patched version of the affected packages rh-sso7-keycloak and rh-sso7-keycloak-server to version 18.0.7-1.redhat_00001.1.el9.
What versions are affected by RHSA-2023:2707?
RHSA-2023:2707 affects versions of rh-sso7-keycloak and rh-sso7-keycloak-server earlier than 18.0.7-1.redhat_00001.1.el9.
What does RHSA-2023:2707 address?
RHSA-2023:2707 addresses vulnerabilities found in Red Hat Single Sign-On 7.6.3 that could allow for unauthorized access.
Is RHSA-2023:2707 related to Keycloak?
Yes, RHSA-2023:2707 is based on the Keycloak project and impacts Red Hat's implementation of Single Sign-On capabilities.