CVE-2022-24402

HIGH

midnightblue tetra - Small Space of Random Values in TEA1 Keystream Generator

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory related
https://tetraburst.com/

Scores

CVSS v3 8.8
EPSS 0.0055
EPSS Percentile 41.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-334 CWE-307
Status published
Products (1)
midnightblue/tetra\ burst
Published Oct 19, 2023
Tracked Since Feb 18, 2026