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 |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2021-09-07T06:18:00
Updated: 2021-09-07T06:18:00
Reserved: 2021-06-07T00:00:00
Link: CVE-2021-34146
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-09-07T07:15:07.327
Modified: 2021-09-14T14:56:38.277
Link: CVE-2021-34146
JSON object: View
Redhat Information
No data.
CWE