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.
Published: 2021-09-07
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-20808 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.
History

No history.

Subscriptions

Cypress Cyw20735b1 Cyw20735b1 Firmware Cyw920735q60evb-01 Cyw920735q60evb-01 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T00:05:52.435Z

Reserved: 2021-06-07T00:00:00.000Z

Link: CVE-2021-34146

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-07T07:15:07.327

Modified: 2024-11-21T06:09:57.080

Link: CVE-2021-34146

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses