The PKIX trust engines in Shibboleth Identity Provider before 2.4.4 and OpenSAML Java (OpenSAML-J) before 2.6.5 trust candidate X.509 credentials when no trusted names are available for the entityID, which allows remote attackers to impersonate an entity via a certificate issued by a shibmd:KeyAuthority trust anchor.
| Software | From | Fixed in |
|---|---|---|
| shibboleth / identity_provider | - | 2.4.3.x |
| shibboleth / opensaml_java | - | 2.6.4.x |
org.opensaml / opensaml
|
- | 2.6.5 |
edu.internet2.middleware / shibboleth-identityprovider
|
- | 2.4.4 |