Description
Chamilo LMS 2.0.0 pre-releases from 2.0.0-alpha.1 before 2.0.0-RC.3 contain a missing access control vulnerability in GradebookController that allows unauthenticated users to modify gradebook certificates. Attackers can request the set_default_certificate endpoint with any course id and document id to tamper with certificate configuration for any course.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| chamilo | chamilo-lms | 2.0.0-alpha.1 – < 2.0.0-RC.3 | 2.0.0-RC.3 |
References
- https://github.com/chamilo/chamilo-lms/issues/7671 issue-tracking
- https://github.com/chamilo/chamilo-lms/commit/2861afd4896ff898a950302f2c00f44726fa6f0a patch
- chamilo-lms v2.0.0-RC.3 Release Notes release-notes
- https://github.com/chamilo/chamilo-lms/blob/v2.0.0-RC.2/src/CoreBundle/Controller/GradebookController.php#L52-L78 technical-description
- VulnCheck Advisory: Chamilo LMS 2.0.0-alpha.1 before 2.0.0-RC.3 Missing Authorization via GradebookController third-party-advisory