Buffer overflow in macOS - CVE-2020-3857

 

Buffer overflow in macOS - CVE-2020-3857

Published: May 19, 2021


Vulnerability identifier: #VU53362
CSH Severity: Low
CVSS v4.0: 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-2020-3857
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

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

The vulnerability exists due to a boundary error within the Audio subsystem. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary cod on the system with elevated privileges.


How to mitigate CVE-2020-3857

Install updates from vendor's website.

Sources