CVE-2023-6563
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-6563
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6563.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-6563
- Aliases
- Related
- Published
- 2023-12-14T18:15:45Z
- Modified
- 2024-05-13T20:45:20Z
- Severity
-
- 7.7 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An unconstrained memory consumption vulnerability was discovered in Keycloak. It can be triggered in environments which have millions of offline tokens (> 500,000 users with each having at least 2 saved sessions). If an attacker creates two or more user sessions and then open the "consents" tab of the admin User Interface, the UI attempts to load a huge number of offline client sessions leading to excessive memory and CPU consumption which could potentially crash the entire system.
- References
-
- https://access.redhat.com/errata/RHSA-2023:7854
- https://access.redhat.com/errata/RHSA-2023:7855
- https://access.redhat.com/errata/RHSA-2023:7856
- https://access.redhat.com/errata/RHSA-2023:7858
- https://access.redhat.com/security/cve/CVE-2023-6563
- https://access.redhat.com/errata/RHSA-2023:7857
- https://bugzilla.redhat.com/show_bug.cgi?id=2253308
- https://github.com/keycloak/keycloak/issues/13340