CVE-2022-24402

Published Oct 19, 2023

Last updated a year ago

Overview

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.
Source: cert@ncsc.nl
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-307
cert@ncsc.nl: CWE-334

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:midnightblue:tetra\\:burst:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E47ED5D3-E6C3-419A-9A3B-9F20863B9FDA"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References