CVE-2019-16336 Information

Description

The Bluetooth Low Energy implementation in Cypress PSoC 4 BLE component 3.61 and earlier processes data channel frames with a payload length larger than the configured link layer maximum RX payload size which allows attackers (in radio range) to cause a denial of service (crash) via a crafted BLE Link Layer frame.

CVSS Vector

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

Reference

https://asset-group.github.io/disclosures/sweyntooth/ https://community.cypress.com/thread/48573 https://community.cypress.com/thread/53680 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