CVE Vulnerability

CVE-2021-34143

The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C_DEMO_V1.0 does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after paging procedure. User intervention is required to restart the device.

6.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link
https://launchstudio.bluetooth.com/ListingDetails/91371 Third Party Advisory
https://github.com/Jieli-Tech/fw-AC63_BT_SDK Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-09-07 07:15

Updated : 2021-09-14 01:57

NVD link : CVE-2021-34143

Mitre link : CVE-2021-34143

Products Affected
No products.
CWE
NVD-CWE-noinfo