CVE-2024-43105 Excessive Resource Consumption via `/export`
A user can cause excessive resource consumption and potential denial of service by running the /export command concurrently in the Mattermost Channel Export plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43105?
CVE-2024-43105 is a medium-severity denial of service vulnerability in Mattermost, published on 23 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Mattermost Plugin Channel Export versions <=1.0.0 fail to restrict concurrent runs of the /export command which allows a user to consume excessive resource by running the /export command multiple times at once.
Weakness: CWE-400
Which versions are affected by CVE-2024-43105?
3 open source packages ship an affected version, including github.com/mattermost/mattermost-plugin-channel-export. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/mattermost/mattermost-plugin-channel-export Go | All versions | 1.0.1 |
github.com/mattermost/mattermost-plugin-channel-export Go | All versions | 1.0.1 |
github.com/mattermost/mattermost-plugin-channel-export Go | All versions | 1.0.1 |
Products include Mattermost Channel Export.
How do I fix CVE-2024-43105?
Upgrade github.com/mattermost/mattermost-plugin-channel-export to 1.0.1 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-43105 being exploited?
There is no known exploitation of CVE-2024-43105 in the wild and no public exploit code.
Sources
Also known as GHSA-869f-px86-vj84, GO-2024-3095.