CVE-2019-17520 Information

Description

The Bluetooth Low Energy implementation on Texas Instruments SDK through 3.30.00.20 for CC2640R2 devices does not properly restrict the SM Public Key packet on reception allowing attackers in radio range to cause a denial of service (crash) via crafted packets.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.ti.com/tool/LAUNCHXL-CC2640R2 https://asset-group.github.io/disclosures/sweyntooth/ https://www.youtube.com/watch?v=Iw8sIBLWE_w

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5