CVE-2024-3872 Denial of service in Mattermost
An unauthenticated attacker can crash or freeze the Mattermost mobile app by sending a maliciously crafted deeplink that triggers excessive CPU usage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-3872?
CVE-2024-3872 is a low-severity denial of service vulnerability in Mattermost, published on 16 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Mattermost Mobile app versions 2.13.0 and earlier use a regular expression with polynomial complexity to parse certain deeplinks, which allows an unauthenticated remote attacker to freeze or crash the app via a long maliciously crafted link.
Weakness: CWE-400
Which versions are affected by CVE-2024-3872?
It affects 1 product.
Products include Mattermost Mattermost Mobile.
How do I fix CVE-2024-3872?
No fix has been published for CVE-2024-3872 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-2024-3872 being exploited?
There is no known exploitation of CVE-2024-3872 in the wild and no public exploit code.
Other vulnerabilities in Mattermost
Sources
Also known as GHSA-rc85-79f2-729p.