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cypress

wireless_internet_connectivity_for_embedded_devices

3 known vulnerabilities · sorted by CVSS score

CVE-2021-34148
MEDIUM6.5

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.

cypress / wireless_internet_connectivity_for_embedded_devices
Adjacent
Published Sep 7, 2021
CVE-2021-34147
MEDIUM6.5

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.

cypress / wireless_internet_connectivity_for_embedded_devices
Adjacent
Published Sep 7, 2021
CVE-2021-34145
MEDIUM5.3

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 an invalid Baseband packet type (and LT_ADDRESS and LT_ADDR) 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.

cypress / wireless_internet_connectivity_for_embedded_devices
Adjacent
Published Sep 7, 2021