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CVE-2021-34144

Status Candidate

Overview

The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections (disabling the AB5301A inquiry and page scan procedures) via a crafted LMP packet. The user needs to manually perform a power cycle (restart) of the device to restore BT connectivity.

Related Files

BRAKTOOTH: Causing Havoc On Bluetooth Link Manager
Posted Sep 3, 2021
Authored by Vaibhav Bedi, Matheus E. Garbelini, Ernest Kurniawan, Sudipta Chattopadhyay, Sumei Sun | Site asset-group.github.io

This whitepaper discusses BRAKTOOTH, a family of new security vulnerabilities in commercial BT stacks that range from denial of service (DoS) via firmware crashes and deadlocks in commodity hardware to arbitrary code execution (ACE) in certain IoTs.

tags | advisory, paper, denial of service, arbitrary, vulnerability, code execution
advisories | CVE-2021-28135, CVE-2021-28136, CVE-2021-28139, CVE-2021-28155, CVE-2021-31609, CVE-2021-31610, CVE-2021-31611, CVE-2021-31612, CVE-2021-31613, CVE-2021-31717, CVE-2021-31785, CVE-2021-31786, CVE-2021-34143, CVE-2021-34144, CVE-2021-34145, CVE-2021-34146, CVE-2021-34147, CVE-2021-34148, CVE-2021-34149, CVE-2021-34150
SHA-256 | ec29de4f145eee5ced7ab6a0c5389c72ee16a987352a4373d9ef5da684cef2ac
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