X-Pack Security versions 6.2.0, 6.2.1, and 6.2.2 are vulnerable to a user impersonation attack via incorrect XML canonicalization and DOM traversal. An attacker might have been able to impersonate a legitimate user if the SAML Identity Provider allows for self registration with arbitrary identifiers and the attacker can register an account which an identifier that shares a suffix with a legitimate account. Both of those conditions must be true in order to exploit this flaw.
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 |
|---|---|---|---|
| X-pack | Elastic | 6.2.0 (including) | 6.2.0 (including) |
| X-pack | Elastic | 6.2.1 (including) | 6.2.1 (including) |
| X-pack | Elastic | 6.2.2 (including) | 6.2.2 (including) |