GitHub Advisoryadvisory · Maven
GHSA-3qh5-qqj2-c78f Keycloak vulnerable to Improper Client Certificate Validation for OAuth/OpenID clients
HIGH
Official page ↗
- Aliases
- CVE-2023-2422
- Ecosystem
- Maven
- Packages
- org.keycloak:keycloak-services
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-295
- Reviewed
- 2023-06-30
Affected packages
• Maven org.keycloak:keycloak-services: < 21.1.2 → fixed in 21.1.2
Description
When a Keycloak server is configured to support mTLS authentication for OAuth/OpenID clients, it does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client and therefore access data that belongs to other clients.
Related
Alias · CVE (1)
- CVE-2023-2422 A flaw was found in Keycloak. vulnerability
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://github.com/keycloak/keycloak/security/advisories/GHSA-3qh5-qqj2-c78f web
- https://nvd.nist.gov/vuln/detail/CVE-2023-2422 advisory
- https://github.com/keycloak/keycloak/commit/5c6c55945a384bfd82e51283096204dcb6f63d91 web
- https://access.redhat.com/errata/RHSA-2023:3883 web
- https://access.redhat.com/errata/RHSA-2023:3884 web
- https://access.redhat.com/errata/RHSA-2023:3885 web
- https://access.redhat.com/errata/RHSA-2023:3888 web
- https://access.redhat.com/errata/RHSA-2023:3892 web
- https://access.redhat.com/security/cve/CVE-2023-2422 web
- https://bugzilla.redhat.com/show_bug.cgi?id=2191668 web
- https://github.com/keycloak/keycloak package