GHSA-56mc-f9w7-2wxq
Mattermost failed to disallow the modification of local users when syncing users in shared channels
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.7 | 9.5.7 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.7.0, < 9.7.6 | 9.7.6 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.8.0, < 9.8.2 | 9.8.2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.9.0, < 9.9.1 | 9.9.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
References
External links from the advisory. They lead to third-party sites.