CVE-2022-24403 De-anonymization attack in TETRA

The TETRA TA61 identity encryption function internally uses a 64-bit value derived exclusively from the SCK Class 2 networks or CCK Class 3 networks. The structure of TA61 allows for efficient recovery of this 64-bit value, allowing an adversary to encrypt or decrypt arbitrary identities given on...

CVE-2022-24403

The CVE-2022-24403 issue concerns the TETRA TA61 identity encryption function, which uses a 64‑bit value derived exclusively from the SCK (Class 2) or CCK (Class 3). The TA61 structure allows recovery of this 64‑bit value, enabling an adversary to encrypt or decrypt arbitrary identities with only...