Atto in Moodle 2.8.x before 2.8.9 and 2.9.x before 2.9.3 allows remote attackers to cause a denial of service (disk consumption) by leveraging the guest role and entering drafts with the editor-autosave feature.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 2.8.0 (including) | 2.8.0 (including) |
| Moodle | Moodle | 2.8.1 (including) | 2.8.1 (including) |
| Moodle | Moodle | 2.8.2 (including) | 2.8.2 (including) |
| Moodle | Moodle | 2.8.3 (including) | 2.8.3 (including) |
| Moodle | Moodle | 2.8.4 (including) | 2.8.4 (including) |
| Moodle | Moodle | 2.8.5 (including) | 2.8.5 (including) |
| Moodle | Moodle | 2.8.6 (including) | 2.8.6 (including) |
| Moodle | Moodle | 2.8.7 (including) | 2.8.7 (including) |
| Moodle | Moodle | 2.8.8 (including) | 2.8.8 (including) |
| Moodle | Moodle | 2.9.0 (including) | 2.9.0 (including) |
| Moodle | Moodle | 2.9.1 (including) | 2.9.1 (including) |
| Moodle | Moodle | 2.9.2 (including) | 2.9.2 (including) |
| Moodle | Ubuntu | upstream | * |