Vulnerability Details CVE-2023-2422
A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.4%
CVSS Severity
CVSS v3 Score 5.5
References
- https://access.redhat.com/errata/RHSA-2023:3883
- https://access.redhat.com/errata/RHSA-2023:3884
- https://access.redhat.com/errata/RHSA-2023:3885
- https://access.redhat.com/errata/RHSA-2023:3888
- https://access.redhat.com/errata/RHSA-2023:3892
- https://access.redhat.com/security/cve/CVE-2023-2422
- https://bugzilla.redhat.com/show_bug.cgi?id=2191668
- https://access.redhat.com/errata/RHSA-2023:3883
- https://access.redhat.com/errata/RHSA-2023:3884
- https://access.redhat.com/errata/RHSA-2023:3885
- https://access.redhat.com/errata/RHSA-2023:3888
- https://access.redhat.com/errata/RHSA-2023:3892
- https://access.redhat.com/security/cve/CVE-2023-2422
- https://bugzilla.redhat.com/show_bug.cgi?id=2191668
Products affected by CVE-2023-2422
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cpe:2.3:a:redhat:keycloak:-
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cpe:2.3:a:redhat:openshift_container_platform:4.10
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cpe:2.3:a:redhat:openshift_container_platform:4.11
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cpe:2.3:a:redhat:openshift_container_platform:4.12
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cpe:2.3:a:redhat:openshift_container_platform:4.9
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cpe:2.3:a:redhat:single_sign-on:7.6
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cpe:2.3:o:redhat:enterprise_linux:7.0
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cpe:2.3:o:redhat:enterprise_linux:8.0
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cpe:2.3:o:redhat:enterprise_linux:9.0