Description
Mattermost versions 9.6.0, 9.5.x before 9.5.3, and 8.1.x before 8.1.12 fail to fully validate role changes which allows an attacker authenticated as team admin to demote users to guest via crafted HTTP requests.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 9.6.0, 9.5.0 – ≤ 9.5.2, 8.1.0 – ≤ 8.1.11 | 9.7.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 9.6.0-rc1, < 9.6.1 | 9.6.1 | GHSA-5qx9-9ffj-5r8f |
| Go | github.com/mattermost/mattermost-server | >= 9.5.0, < 9.5.3 | 9.5.3 | GHSA-5qx9-9ffj-5r8f |
| Go | github.com/mattermost/mattermost-server | >= 8.1.0, < 8.1.12 | 8.1.12 | GHSA-5qx9-9ffj-5r8f |
| Go | github.com/mattermost/mattermost-server | >= 8.1.0+incompatible, < 8.1.12+incompatible · >= 9.5.0+incompatible, < 9.5.3+incompatible · >= 9.6.0-rc1+incompatible, < 9.6.1+incompatible | 8.1.12+incompatible, 9.5.3+incompatible, 9.6.1+incompatible | GO-2024-2794 |
Advisories 1
- WID-SEC-2024-0718 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Apr 28, 2024