CVE-2024-56318 Null dereference in Matter
Attackers can cause denial of service in Matter devices by sending TCP packets with zero message size, triggering a null pointer dereference.
- 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-2024-56318?
CVE-2024-56318 is a high-severity 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 raw\TCP.cpp in Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before 27ca6ec, there is a NULL pointer dereference in TCPBase::ProcessSingleMessage via TCP packets with zero messageSize, leading to denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2024-56318?
How do I fix CVE-2024-56318?
No fix has been published for CVE-2024-56318 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-56318 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-56318 exists.
Sources
Also known as GHSA-93xr-jvr5-8x88.