#VU56327 Input validation error in Intel products - CVE-2021-34147
Published: September 6, 2021
Vulnerability identifier: #VU56327
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-34147
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WICED BT stack
CYW920735Q60EVB
Intel Wi-Fi 6 AX200
CYW20735B1
WICED BT stack
CYW920735Q60EVB
Intel Wi-Fi 6 AX200
CYW20735B1
Software vendor:
Cypress Semiconductor Corporation
Intel
Cypress Semiconductor Corporation
Intel
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Bluetooth Classic implementations does not properly handle the reception of a malformed LMP timing accuracy response followed by multiple re-connections to the target link slave. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.