lib/Auth/Source/External.php in the drupalauth module before 1.2.2 for simpleSAMLphp allows remote attackers to authenticate as an arbitrary user via the user name (uid) in a cookie.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Drupalauth | Drupalauth_project | * | 1.2.1 (including) |