Description
When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 3.3.0 – ≤ 7.7.1, 3.3.0 – ≤ 7.1.5, 3.3.0 – < 7.8.0 | 7.8.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 3.3.0, < 7.1.6 | 7.1.6 | GHSA-8jhh-3jf2-pfwr |
| Go | github.com/mattermost/mattermost-server | >= 7.7.0, < 7.7.2 | 7.7.2 | GHSA-8jhh-3jf2-pfwr |
| Go | github.com/mattermost/mattermost-server | >= 7.1.0, < 7.1.6 | 7.1.6 | GHSA-8jhh-3jf2-pfwr |
| Go | github.com/mattermost/mattermost-server/v5 | >= 5.0.0, < 7.1.6 | 7.1.6 | GHSA-8jhh-3jf2-pfwr |
| Go | github.com/mattermost/mattermost-server/v6 | >= 6.0.0, < 7.1.6 | 7.1.6 | GHSA-8jhh-3jf2-pfwr |
Advisories 1
- WID-SEC-2023-0545 Mattermost: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 2, 2023