Description
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | ≤ 8.1.8, ≤ 9.4.1 | 9.5.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.0.0+incompatible, < 9.4.2+incompatible | 9.4.2+incompatible | GO-2024-2595 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-2595 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-2595 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.4.2 | 9.4.2 | GHSA-xgxj-j98c-59rv |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.9 | 8.1.9 | GHSA-xgxj-j98c-59rv |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2024-2595 |
Advisories 1
- WID-SEC-2024-0247 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Feb 28, 2024