Описание
A flaw was found in Keycloak. The cross-session verification proof is keyed only by (local userId, idpAlias) and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim's local account.
Ссылки
- Vendor Advisory
- Issue TrackingVendor Advisory
Уязвимые конфигурации
EPSS
6.4 Medium
CVSS3
8.1 High
CVSS3
Дефекты
Связанные уязвимости
A flaw was found in Keycloak. The cross-session verification proof is keyed only by (local userId, idpAlias) and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim's local account.
A flaw was found in Keycloak. The cross-session verification proof is ...
Keycloak: Insufficient verification proof scoping enables identity provider account linking attack and account compromise
EPSS
6.4 Medium
CVSS3
8.1 High
CVSS3