#VU56845 Type Confusion in macOS - CVE-2021-30869

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Main Vulnerability Database Vulnerabilities #VU56845

#VU56845 Type Confusion in macOS - CVE-2021-30869

Published: September 23, 2021 / Updated: September 24, 2021


Vulnerability identifier: #VU56845
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-2021-30869
CWE-ID: CWE-843
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 user to escalate privileges on the system.

The vulnerability exists due to a type confusion error within the XNU subsystem. A local user can run a specially crafted program to trigger a type confusion error and execute arbitrary code with elevated privileges.

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


Remediation

Install updates from vendor's website.

External links