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Red Hat Security Advisory 2024-6890-03
Red Hat Security Advisory 2024-6890-03 - New Red Hat build of Keycloak 24.0.8 packages with security impact Important are available from the Customer Portal. Issues addressed include a privilege escalation vulnerability.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_6890.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Important: Red Hat build of Keycloak 24.0.8 UpdateAdvisory ID: RHSA-2024:6890-03Product: Red Hat build of KeycloakAdvisory URL: https://access.redhat.com/errata/RHSA-2024:6890Issue date: 2024-09-19Revision: 03CVE Names: CVE-2024-8698====================================================================Summary: New Red Hat build of Keycloak 24.0.8 packages with security impact Important are available from the Customer PortalDescription:Red Hat build of Keycloak 24.0.8 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.Security fixes:* Improper Verification of SAML Responses Leading to Privilege Escalation in Keycloak (CVE-2024-8698)* Vulnerable Redirect URI Validation Results in Open Redirec (CVE-2024-8883)Solution:CVEs:CVE-2024-8698References:https://access.redhat.com/security/updates/classification/#importanthttps://bugzilla.redhat.com/show_bug.cgi?id=2311641https://bugzilla.redhat.com/show_bug.cgi?id=2312511Related news
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A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the XML document, rather than the Reference element used to specify the signed element. This flaw allows attackers to create crafted responses that can bypass the validation, potentially leading to privilege escalation or impersonation attacks.
A misconfiguration flaw was found in Keycloak. This issue can allow an attacker to redirect users to an arbitrary URL if a 'Valid Redirect URI' is set to http://localhost or http://127.0.0.1, enabling sensitive information such as authorization codes to be exposed to the attacker, potentially leading to session hijacking.