The OpenID module in Drupal 6.x before 6.18, and the OpenID module 5.x before 5.x-1.4 for Drupal, violates the OpenID 2.0 protocol by not ensuring that fields are signed, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.
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 |
|---|---|---|---|
| Drupal | Drupal | 6.0 (including) | 6.0 (including) |
| Drupal | Drupal | 6.0-beta1 (including) | 6.0-beta1 (including) |
| Drupal | Drupal | 6.0-beta2 (including) | 6.0-beta2 (including) |
| Drupal | Drupal | 6.0-beta3 (including) | 6.0-beta3 (including) |
| Drupal | Drupal | 6.0-beta4 (including) | 6.0-beta4 (including) |
| Drupal | Drupal | 6.0-dev (including) | 6.0-dev (including) |
| Drupal | Drupal | 6.0-rc1 (including) | 6.0-rc1 (including) |
| Drupal | Drupal | 6.0-rc2 (including) | 6.0-rc2 (including) |
| Drupal | Drupal | 6.0-rc3 (including) | 6.0-rc3 (including) |
| Drupal | Drupal | 6.0-rc4 (including) | 6.0-rc4 (including) |
| Drupal | Drupal | 6.1 (including) | 6.1 (including) |
| Drupal | Drupal | 6.2 (including) | 6.2 (including) |
| Drupal | Drupal | 6.3 (including) | 6.3 (including) |
| Drupal | Drupal | 6.4 (including) | 6.4 (including) |
| Drupal | Drupal | 6.5 (including) | 6.5 (including) |
| Drupal | Drupal | 6.6 (including) | 6.6 (including) |
| Drupal | Drupal | 6.7 (including) | 6.7 (including) |
| Drupal | Drupal | 6.8 (including) | 6.8 (including) |
| Drupal | Drupal | 6.9 (including) | 6.9 (including) |
| Drupal | Drupal | 6.10 (including) | 6.10 (including) |
| Drupal | Drupal | 6.11 (including) | 6.11 (including) |
| Drupal | Drupal | 6.12 (including) | 6.12 (including) |
| Drupal | Drupal | 6.13 (including) | 6.13 (including) |
| Drupal | Drupal | 6.14 (including) | 6.14 (including) |
| Drupal | Drupal | 6.15 (including) | 6.15 (including) |
| Drupal | Drupal | 6.16 (including) | 6.16 (including) |
| Drupal | Drupal | 6.17 (including) | 6.17 (including) |
| Drupal5 | Ubuntu | hardy | * |
| Drupal5 | Ubuntu | jaunty | * |
| Drupal5 | Ubuntu | karmic | * |
| Drupal5 | Ubuntu | upstream | * |
| Drupal6 | Ubuntu | jaunty | * |
| Drupal6 | Ubuntu | karmic | * |
| Drupal6 | Ubuntu | lucid | * |
| Drupal6 | Ubuntu | upstream | * |