Protect yourself against future threats.
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2024.2389 Red Hat Single Sign-On 7.6.8 security update on RHEL 9 18 April 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Single Sign-On Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2024-1635 CVE-2023-6484 CVE-2023-6544 CVE-2024-1132 CVE-2024-1249 Original Bulletin: https://access.redhat.com/errata/RHSA-2024:1862 Comment: CVSS (Max): 8.1 CVE-2024-1132 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- ===================================================================== Red Hat Security Advisory Synopsis: Important: Red Hat Single Sign-On 7.6.8 security update on RHEL 9 Advisory ID: RHSA-2024:1862 Product: Red Hat Single Sign-On 7.6 for RHEL 9 Advisory URL: https://access.redhat.com/errata/RHSA-2024:1862 Issue date: 2024-04-16 CVE Names: CVE-2023-6484 CVE-2023-6544 CVE-2024-1132 CVE-2024-1249 CVE-2024-1635 ===================================================================== 1. Summary: New Red Hat Single Sign-On 7.6.8 deliverables are now available for Red Hat Enterprise Linux 9. This is an enhancement and security update with Important impact rating and package name 'rh-sso7-keycloak'. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Single Sign-On 7.6 for RHEL 9 - noarch 3. Description: 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 7.6.8 on RHEL 9 serves as a replacement for Red Hat Single Sign-On 7.6.7, and includes bug fixes, security updates and enhancements which are linked to in the References. Security Fix(es): * Authorization Bypass (CVE-2023-6544) * Log Injection during WebAuthn authentication or registration (CVE-2023-6484) * path transversal in redirection validation (CVE-2024-1132) * unvalidated cross-origin messages in checkLoginIframe leads to DDoS (CVE-2024-1249) * undertow: Out-of-memory Error after several closed connections with wildfly- http-client protocol (CVE-2024-1635) 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. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2248423 - CVE-2023-6484 - keycloak: Log Injection during WebAuthn authentication or registration 2253116 - CVE-2023-6544 - keycloak: Authorization Bypass 2262117 - CVE-2024-1132 - keycloak: path transversal in redirection validation 2262918 - CVE-2024-1249 - keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkLoginIframe leads to DDoS 2264928 - CVE-2024-1635 - undertow: Out-of-memory Error after several closed connections with wildfly-http-client protocol 6. Package List: Red Hat Single Sign-On 7.6 for RHEL 9 noarch: rh-sso7-keycloak-0:18.0.13-1.redhat_00001.1.el9sso.noarch.rpm rh-sso7-keycloak-server-0:18.0.13-1.redhat_00001.1.el9sso.noarch.rpm Source: rh-sso7-keycloak-0:18.0.13-1.redhat_00001.1.el9sso.src.rpm 7. References: https://access.redhat.com/security/cve/CVE-2023-6484 https://access.redhat.com/security/cve/CVE-2023-6544 https://access.redhat.com/security/cve/CVE-2024-1132 https://access.redhat.com/security/cve/CVE-2024-1249 https://access.redhat.com/security/cve/CVE-2024-1635 https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. ===========================================================================