Description
Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing resources and possibly becoming temporarily unavailable for its users.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | ≤ 7.8.9, 8.1.0, ≤ 8.0.1 | 7.8.10 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server/v6 | < 7.8.10 | 7.8.10 | GHSA-33r7-wjfc-7w98 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 8.1.0, < 8.1.1 | 8.1.1 | GHSA-33r7-wjfc-7w98 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 8.0.0, < 8.0.2 | 8.0.2 | GHSA-33r7-wjfc-7w98 |
Advisories 1
- WID-SEC-2023-2252 Mattermost: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 3, 2023