Description
Mattermost versions 9.9.x <= 9.9.0 and 9.5.x <= 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mattermost | Mattermost | 9.9.0, 9.5.0 – ≤ 9.5.6 | 9.10.0 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/mattermost/mattermost | < 5.3.2-0.20240604093018-5114c3b7cdb8 | 5.3.2-0.20240604093018-5114c3b7cdb8 | GHSA-9fpw-c9x7-cv3j |
| Go | github.com/mattermost/mattermost-server | >= 9.5.0+incompatible, < 9.5.7+incompatible · >= 9.9.0+incompatible, < 9.9.1+incompatible | 9.5.7+incompatible, 9.9.1+incompatible | GO-2024-3022 |
| Go | github.com/mattermost/mattermost-server/v5 | all versions | — | GO-2024-3022 |
| Go | github.com/mattermost/mattermost-server/v6 | all versions | — | GO-2024-3022 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.7 | 9.5.7 | GHSA-9fpw-c9x7-cv3j |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.9.0, < 9.9.1 | 9.9.1 | GHSA-9fpw-c9x7-cv3j |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20240604093018-5114c3b7cdb8 | 8.0.0-20240604093018-5114c3b7cdb8 | GHSA-9fpw-c9x7-cv3j |
| Go | github.com/mattermost/mattermost/server/v8 | all versions | — | GO-2024-3022 |
Advisories 1
- WID-SEC-2024-1715 Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff BSI CERT-Bund (WID) · Aug 1, 2024