The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-20810 The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with a greater ACL Length after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T00:05:52.261Z

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

Link: CVE-2021-34148

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-07T07:15:07.420

Modified: 2024-11-21T06:09:57.433

Link: CVE-2021-34148

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses