CVE-2024-47401 DoS via Amplified GraphQL Response in Playbooks

Medium 4.3 Published Updated

An attacker can crash the Mattermost application by sending crafted requests to Playbooks, causing an amplified GraphQL response.

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-2024-47401?

CVE-2024-47401 is a medium-severity denial of service vulnerability in Mattermost Mattermost Server, published on 29 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1 and 9.5.x <= 9.5.9 fail to prevent detailed error messages from being displayed in Playbooks which allows an attacker to generate a large response and cause an amplified GraphQL response which in turn could cause the application to crash by sending a specially crafted request to Playbooks.

Weakness: CWE-770

Which versions are affected by CVE-2024-47401?

6 open source packages ship an affected version, including github.com/mattermost/mattermost/server/v8, github.com/mattermost/mattermost-server and github.com/mattermost/mattermost-server/v5. It affects 1 product.

PackageAffectedFixed in
github.com/mattermost/mattermost/server/v8 GoAll versions8.0.0-20240926115259-20ed58906adc
github.com/mattermost/mattermost/server/v8 GoAll versions8.0.0-20240926115259-20ed58906adc
github.com/mattermost/mattermost/server/v8 GoAll versions8.0.0-20240926115259-20ed58906adc
github.com/mattermost/mattermost-server GoAll versionsNone
github.com/mattermost/mattermost-server/v5 GoAll versionsNone
github.com/mattermost/mattermost-server/v6 GoAll versionsNone

Products include Mattermost Mattermost Server.

How do I fix CVE-2024-47401?

Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20240926115259-20ed58906adc 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-2024-47401 being exploited?

There is no known exploitation of CVE-2024-47401 in the wild and no public exploit code.

All Mattermost Mattermost Server vulnerabilities

Sources

Also known as GHSA-762v-rq7q-ff97, GO-2024-3234.

Is CVE-2024-47401 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free