CVE-2022-24403
De-anonymization attack in TETRA
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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 only three known encrypted/unencrypted identity pairs.
| CWE | CWE-327 |
| Vendor | etsi |
| Product | tetra standard |
| Published | Dec 5, 2023 |
| Last Updated | Aug 3, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:N/MA:N Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
ETSI / TETRA Standard
TA61
Credits
Midnight Blue