GHSA-v647-h8jj-fw5r
Mattermost Data Amplification vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.1.0, < 10.1.3 | 10.1.3 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.0.0, < 10.0.3 | 10.0.3 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.5 | 9.11.5 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.5.0, < 9.5.13 | 9.5.13 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.
References
External links from the advisory. They lead to third-party sites.