CVE-2023-0657: Keycloak vulnerable to impersonation via logout token exchange
(updated )
Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.
References
- access.redhat.com/errata/RHSA-2024:1867
- access.redhat.com/errata/RHSA-2024:1868
- access.redhat.com/security/cve/CVE-2023-0657
- bugzilla.redhat.com/show_bug.cgi?id=2166728
- github.com/advisories/GHSA-7fpj-9hr8-28vh
- github.com/keycloak/keycloak
- github.com/keycloak/keycloak/security/advisories/GHSA-7fpj-9hr8-28vh
- nvd.nist.gov/vuln/detail/CVE-2023-0657
Code Behaviors & Features
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