The Bluetooth Classic implementation in the Cypress CYW920735Q60EVB does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and restart (crash) of the device by flooding it with LMP_AU_Rand packets after the paging procedure.
References
Link | Resource |
---|---|
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf | Technical Description Third Party Advisory |
https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices | Vendor Advisory |
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf | Technical Description Third Party Advisory |
https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices | Vendor Advisory |
Configurations
History
21 Nov 2024, 06:09
Type | Values Removed | Values Added |
---|---|---|
References | () https://dl.packetstormsecurity.net/papers/general/braktooth.pdf - Technical Description, Third Party Advisory | |
References | () https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices - Vendor Advisory |
Information
Published : 2021-09-07 07:15
Updated : 2024-11-21 06:09
NVD link : CVE-2021-34146
Mitre link : CVE-2021-34146
CVE.ORG link : CVE-2021-34146
JSON object : View
Products Affected
cypress
- cyw920735q60evb-01
- cyw20735b1
- cyw20735b1_firmware
- cyw920735q60evb-01_firmware
CWE