calendar/managesubscriptions.php in the Manage Subscriptions implementation in Moodle 2.4.x before 2.4.1 omits a capability check, which allows remote authenticated users to remove course-level calendar subscriptions by leveraging the student role and sending an iCalendar object.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 2.4.0 (including) | 2.4.0 (including) |
| Moodle | Ubuntu | hardy | * |
| Moodle | Ubuntu | upstream | * |
References
- http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-37106
- http://openwall.com/lists/oss-security/2013/01/21/1
- https://moodle.org/mod/forum/discuss.php?d=220167
- http://git.moodle.org/gw?p=moodle.git\u0026a=search\u0026h=HEAD\u0026st=commit\u0026s=MDL-37106
- http://openwall.com/lists/oss-security/2013/01/21/1
- https://moodle.org/mod/forum/discuss.php?d=220167