TETRA Authentication Vulnerability: Predictable MS Challenge RAND2 Allows Setting Session Key DCK to Zero

TETRA Authentication Vulnerability: Predictable MS Challenge RAND2 Allows Setting Session Key DCK to Zero

CVE-2022-24400 · MEDIUM Severity

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

A flaw in the TETRA authentication procecure allows a MITM adversary that can predict the MS challenge RAND2 to set session key DCK to zero.

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