Description
Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | ≤ 8.1.7, 9.4.0 | 8.1.8 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.0.0+incompatible, < 9.3.0+incompatible | 9.3.0+incompatible | GO-2024-2566 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-2566 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-2566 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.8 | 8.1.8 | GHSA-r833-w756-h5p2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.3.0 | 9.3.0 | GHSA-r833-w756-h5p2 |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2024-2566 |
Advisories 1
- WID-SEC-2024-0035 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 11, 2024