The Bluetooth Classic implementation on the Texas Instruments CC256XCQFN-EM does not properly handle the reception of continuous LMP_AU_Rand packets, allowing attackers in radio range to trigger a denial of service (deadlock) 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.ti.com/product/CC2564C Product Vendor Advisory
https://www.ti.com/tool/CC256XC-BT-SP#primary-sw Product Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-07T06:16:16

Updated: 2021-09-07T06:16:16

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


Link: CVE-2021-34149

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-09-07T07:15:07.467

Modified: 2021-09-09T23:23:52.160


Link: CVE-2021-34149

JSON object: View

cve-icon Redhat Information

No data.