CVE-2020-10135 Information

Description

Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html http://seclists.org/fulldisclosure/2020/Jun/5 https://francozappa.github.io/about-bias/ https://kb.cert.org/vuls/id/647177/ https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4