Man-in-the-Middle (MitM) attack in Bluetooth - CVE-2020-15802
Published: September 10, 2020
Vulnerability identifier: #VU46577
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-15802
CWE-ID: CWE-300
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Bluetooth
Bluetooth
Software vendor:
Bluetooth SIG, Inc.
Bluetooth SIG, Inc.
Description
The vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.
The vulnerability exists due to an error in Cross-Transport Key Derivation (CTKD) component used in Bluetooth BR/EDR and LE. A remote attacker on the local network can perform a Man-in-the-Middle (MitM) attack and manipulate the CTKD component to overwrite other Bluetooth authentication keys on a device.
Remediation
Install updates from vendor's website.