Description
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | ≤ 7.8.12, ≤ 8.1.3, ≤ 9.0.1, ≤ 9.1.0 | 9.1.1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 | GHSA-c37r-v8jx-7cv2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.1.0, < 9.1.1 | 9.1.1 | GHSA-c37r-v8jx-7cv2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.0.2 | 9.0.2 | GHSA-c37r-v8jx-7cv2 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.4 | 8.1.4 | GHSA-c37r-v8jx-7cv2 |
Advisories 1
- WID-SEC-2023-2763 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Nov 27, 2023