CVE-2022-4019 Denial of service in Playbooks Plugin
An authenticated user can crash the Mattermost server by sending multiple large requests to the Playbooks API, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-4019?
CVE-2022-4019 is a medium-severity denial of service vulnerability in Mattermost Mattermost, published on 23 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.
Weakness: CWE-770
Which versions are affected by CVE-2022-4019?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2022-4019?
No fix has been published for CVE-2022-4019 yet. Limit exposure of the affected software until one is available.
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-2022-4019 being exploited?
There is no known exploitation of CVE-2022-4019 in the wild and no public exploit code.
Other vulnerabilities in Mattermost Mattermost
- CVE-2019-20851 Path traversal in n/a
- CVE-2024-39274 Malicious remote can add users to arbitrary teams and channels
- CVE-2024-39777 Malicious remote can invite itself to an arbitrary local channel
- CVE-2024-39830 Timing attack during remote cluster token comparison when shared channels are enabled
- CVE-2023-3615 Lack of server certificate validation in websockets connection
Sources
Also known as GHSA-hqqj-g6mv-rw46.