#VU58672 Information disclosure in macOS - CVE-2021-30866

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Main Vulnerability Database Vulnerabilities #VU58672

#VU58672 Information disclosure in macOS - CVE-2021-30866

Published: December 8, 2021


Vulnerability identifier: #VU58672
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-30866
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a remote attacker to track users.

The vulnerability exists due to excessive data output in the bootp subsystem, as the daemon broadcasts user's MAC address. A remote attacker can track users by their WiFi MAC address.


Remediation

Install updates from vendor's website.

External links