CVE-2022-24402 - CVE House
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Status published High CVE-2022-24402

Intentionally weakened effective strength in TETRA TEA1

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Midnight Blue

References

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Affected Vendor

Affected Software

TETRA Standard
Vulnerable Versions:
TEA1

Timeline

Official Publish: October 19th, 2023
Last Modified: September 12th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: 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

Weaknesses (CWE)

CWE-334

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.