CVE-2024-39810 Server crash via Elasticsearch certificate file
A privileged user can crash the Mattermost server by configuring an Elasticsearch CA path to a resource-consuming file like /dev/zero.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-39810?
CVE-2024-39810 is a medium-severity denial of service vulnerability in Mattermost Mattermost, published on 22 Aug 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Mattermost versions 9.5.x <= 9.5.7 and 9.10.x <= 9.10.0 fail to time limit and size limit the CA path file in the ElasticSearch configuration which allows a System Role with access to the Elasticsearch system console to add any file as a CA path field, such as /dev/zero and, after testing the connection, cause the application to crash.
Weakness: CWE-400
Which versions are affected by CVE-2024-39810?
It affects 1 product.
Products include Mattermost Mattermost.
How do I fix CVE-2024-39810?
No fix has been published for CVE-2024-39810 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-2024-39810 being exploited?
There is no known exploitation of CVE-2024-39810 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-59w3-f5g7-27hp.