#VU53450 Stack-based buffer overflow in macOS - CVE-2021-30686
Published: May 24, 2021 / Updated: June 25, 2021
Vulnerability identifier: #VU53450
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-30686
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
macOS
macOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition within the
USACBitstreamReader function in AudioCodecs. A remote attacker can
create a specially crafted LOAS file, trick the victim into opening it,
trigger a stack-based buffer overflow and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.