#VU51687 Buffer overflow in macOS - CVE-2020-27947

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Main Vulnerability Database Vulnerabilities #VU51687

#VU51687 Buffer overflow in macOS - CVE-2020-27947

Published: March 24, 2021 / Updated: March 31, 2021


Vulnerability identifier: #VU51687
Vulnerability risk: Low
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:U/U:Clear
CVE-ID: CVE-2020-27947
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
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 boundary error in process_token_AVCDecode within Graphics drivers. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code on the target system with kernel privileges.



Remediation

Install updates from vendor's website.

External links