CVE-2024-56319 Denial of service in Matter
Attackers can cause denial of service in Matter devices by exhausting resources through unlimited user label appends.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-56319?
CVE-2024-56319 is a high-severity denial of service vulnerability in Matter, published on 18 Dec 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before e3277eb, unlimited user label appends in a userlabel cluster can lead to a denial of service (resource exhaustion).
Weakness: CWE-770
Which versions are affected by CVE-2024-56319?
How do I fix CVE-2024-56319?
No fix has been published for CVE-2024-56319 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-2024-56319 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-56319 exists.
Sources
Also known as GHSA-fvch-763v-4hwx.