Description
ClassroomIO through 1.0.0 contains an incorrect authorization vulnerability in the PUT and DELETE /:lessonId lesson routes that allows any course member, including students, to modify lessons. Authenticated students can supply arbitrary lesson ids to change titles and stored HTML content or delete lessons in their course and in other courses and organizations.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
classroomio ClassroomIO
Default version status: unaffected
0 to ≤ 1.0.0affected
pkg:github/classroomio/classroomioReferences
- https://hackmd.io/@hieuPenguinnn/classroomio-course-resource-id-scoping-idor ↗
- https://github.com/classroomio/classroomio/blob/v1.0.0/apps/api/src/routes/course/lesson.ts#L107-L152 ↗
- https://github.com/classroomio/classroomio/blob/v1.0.0/apps/api/src/middlewares/course-member.ts ↗
- https://github.com/classroomio/classroomio ↗
- https://www.vulncheck.com/advisories/classroomio-through-1.0.0-incorrect-authorization-via-lesson-update-and-delete-routes ↗