Description
When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | ≤ 7.7.1, ≤ 7.1.5, < 7.8.0 | 7.7.2 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | >= 3.3.0, < 7.1.6 | 7.1.6 | GHSA-9hj7-v56g-rhf6 |
| Go | github.com/mattermost/mattermost-server | >= 7.7.0, < 7.7.2 | 7.7.2 | GHSA-9hj7-v56g-rhf6 |
| Go | github.com/mattermost/mattermost-server | >= 7.1.0, < 7.1.6 | 7.1.6 | GHSA-9hj7-v56g-rhf6 |
| Go | github.com/mattermost/mattermost-server/v5 | >= 5.0.0, < 7.1.6 | 7.1.6 | GHSA-9hj7-v56g-rhf6 |
| Go | github.com/mattermost/mattermost-server/v6 | >= 6.0.0, < 7.1.6 | 7.1.6 | GHSA-9hj7-v56g-rhf6 |
Advisories 1
- WID-SEC-2023-0545 Mattermost: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 2, 2023