#VU55316 Buffer overflow in macOS - CVE-2021-30807

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Main Vulnerability Database Vulnerabilities #VU55316

#VU55316 Buffer overflow in macOS - CVE-2021-30807

Published: July 26, 2021 / Updated: December 30, 2021


Vulnerability identifier: #VU55316
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-30807
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary within the IOMobileFrameBuffer subsystem. A local application can trigger memory corruption and execute arbitrary code on the target system with kernel privileges.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

External links