CVE-2022-24402
Intentionally weakened effective strength in TETRA TEA1
- State
- Published
- Severity
- 8.8 High
- Published
- Oct 19, 2023
- Updated
- Sep 12, 2024
- Reserved
- Feb 4, 2022
Description
The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.8 High | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H | NCSC-NL |
Weaknesses
- CWE-334 Small Space of Random Values
Affected Products
| Product | Versions |
|---|---|
TETRA StandardETSI |
|
References
- TETRA:BURSTrelated
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