MEDIUM 5.0 Maven
Keycloak secondary factor bypass in step-up authentication
GHSA-4f53-xh3v-g8x4 · CVE-2023-3597
Published · Modified
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Description
Keycloak does not correctly validate its client step-up authentication. A password-authed attacker could use this flaw to register a false second auth factor, alongside the existing one, to a targeted account. The second factor then permits step-up authentication.
References
- WEB https://github.com/keycloak/keycloak/security/advisories/GHSA-4f53-xh3v-g8x4
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-3597
- WEB https://github.com/keycloak/keycloak/commit/aa634aee882892960a526e49982806e103c8a432
- WEB https://access.redhat.com/errata/RHSA-2024:1866
- WEB https://access.redhat.com/errata/RHSA-2024:1867
- WEB https://access.redhat.com/errata/RHSA-2024:1868
- WEB https://access.redhat.com/security/cve/CVE-2023-3597
- WEB https://bugzilla.redhat.com/show_bug.cgi?id=2221760
- PACKAGE https://github.com/keycloak/keycloak
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