CVE-2024-3297 Session establishment lock-up during replay of CASE Sigma1 messages
Attackers can cause denial of service in Matter devices by replaying manipulated CASE Sigma1 messages, requiring a power cycle to recover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-3297?
CVE-2024-3297 is a medium-severity denial of service vulnerability in Connectivity Standards Alliance Matter, published on 24 Jul 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue in the Certificate Authenticated Session Establishment (CASE) protocol for establishing secure sessions between two devices, as implemented in the Matter protocol versions before Matter 1.1 allows an attacker to replay manipulated CASE Sigma1 messages to make the device unresponsive until the device is power-cycled.
Weakness: CWE-400
Which versions are affected by CVE-2024-3297?
It affects 1 product.
Products include Csa-Iot Matter.
How do I fix CVE-2024-3297?
No fix has been published for CVE-2024-3297 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-2024-3297 being exploited?
There is no known exploitation of CVE-2024-3297 in the wild and no public exploit code.
Other vulnerabilities in Connectivity Standards Alliance Matter
Sources
Also known as GHSA-x5mh-xcwg-v34g.