Input validation error in macOS - CVE-2021-30834
Published: October 27, 2021
Vulnerability identifier: #VU57729
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2021-30834
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input within the CoreAudio subsystem. A remote attacker can trick the victim to open a specially crafted audio file and execute arbitrary code on the system.
Affected software
macOS
How to mitigate CVE-2021-30834
Install updates from vendor's website.
macOS - addressed in versions 10.15.7 19H1519, 11.6 20G165