| Package | Affected versions | Patched versions |
|---|---|---|
| org.keycloak:keycloak-ldap-federation | ≥ 23.0.0, < 24.0.6≥ 25.0.0, < 25.0.1< 22.0.12 | 24.0.625.0.122.0.12 |
The LDAP testing endpoint allows to change the Connection URL independently of and without having to re-enter the currently configured LDAP bind credentials. An attacker with admin access (permission manage-realm) can change the LDAP host URL ("Connection URL") to a machine they control. The Keycloak server will connect to the attacker's host and try to authenticate with the configured credentials, thus leaking them to the attacker. As a consequence, an attacker who has compromised the admin console/compromised a user with sufficient privileges can leak domain credentials and can now attack the domain.
Special thanks to Simon Wessling for reporting this issue and helping us improve our project
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