Keycloak vulnerable to impersonation via logout token exchange
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-0657US | — | — | ||
A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a… | ||||
02
references
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2024:1867WEB
- https://access.redhat.com/errata/RHSA-2024:1868WEB
- https://access.redhat.com/security/cve/CVE-2023-0657WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2166728WEB
- https://github.com/keycloak/keycloakPACKAGE
- https://github.com/keycloak/keycloak/security/advisories/GHSA-7fpj-9hr8-28vhWEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-0657ADVISORY
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan