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Session establishment lock-up during replay of CASE Sigma1 messages

Publication date: July 24th, 2024

CVE ID:

CVE-2024-3297

CVSS scrore:

6.5 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected vendors:

Connectivity Standards Alliance

Affected products:

Matter

Vulnerability details:

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.

Credit:

Bela Genge, Bitdefender