A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that has already been terminated, leading to the failure of said request.
History

Tue, 14 Jan 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 14 Jan 2025 08:45:00 +0000

Type Values Removed Values Added
Description A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that has already been terminated, leading to the failure of said request.
Title Org.keycloak:keycloak-quarkus-server: denial of service in keycloak server via security headers
First Time appeared Redhat
Redhat build Keycloak
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
Weaknesses CWE-693
CPEs cpe:/a:redhat:build_keycloak:26.0
cpe:/a:redhat:build_keycloak:26.0::el9
cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jbosseapxp
Vendors & Products Redhat
Redhat build Keycloak
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-01-14T08:35:42.107Z

Updated: 2025-01-15T05:37:36.914Z

Reserved: 2024-11-26T03:57:37.921Z

Link: CVE-2024-11734

cve-icon Vulnrichment

Updated: 2025-01-14T14:44:54.484Z

cve-icon NVD

Status : Received

Published: 2025-01-14T09:15:19.443

Modified: 2025-01-14T09:15:19.443

Link: CVE-2024-11734

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-01-13T12:22:00Z

Links: CVE-2024-11734 - Bugzilla