CVE-2021-34147

MEDIUM Year: 2021
CVSS v3 Score
6.5
Medium
CVSS v2 Score
6.1
Medium
Weakness Type
NVD-CWE-Other
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Vulnerability Description

The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 does not properly handle the reception of a malformed LMP timing accuracy response followed by multiple reconnections to the link slave, allowing attackers to exhaust device BT resources and eventually trigger a crash via multiple attempts of sending a crafted LMP timing accuracy response followed by a sudden reconnection with a random BDAddress.

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