Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26556
Reference (s):
- CERT-VN:VU#799380
- URL: https://www.kb.cert.org/vuls/id/799380
- https://kb.cert.org/vuls/id/799380
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/