Vulnerabilities > CVE-2020-26556 - Improper Restriction of Excessive Authentication Attempts vulnerability in Bluetooth Core Specification and Mesh Profile
Attack vector
ADJACENT_NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://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/
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
- https://www.kb.cert.org/vuls/id/799380
- https://www.kb.cert.org/vuls/id/799380