CVE-2021-34146
Summary
| CVE | CVE-2021-34146 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-09-07 07:15:00 UTC |
| Updated | 2021-09-14 14:56:00 UTC |
| Description | 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. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cypress | Cyw20735b1 | - | All | All | All |
| Operating System | Cypress | Cyw20735b1 Firmware | - | All | All | All |
| Hardware | Cypress | Cyw920735q60evb-01 | - | All | All | All |
| Operating System | Cypress | Cyw920735q60evb-01 Firmware | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| dl.packetstormsecurity.net/papers/general/braktooth.pdf | MISC | dl.packetstormsecurity.net | |
| CYW20735B1 Single-Chip Bluetooth Transceiver for Wireless Input Devices | MISC | www.cypress.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 183778 Debian Security Update for bluez-firmware (CVE-2021-34146)