Buffer overflow in macOS - CVE-2021-30977
Published: December 14, 2021
Vulnerability identifier: #VU58857
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2021-30977
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in Graphics Drivers. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with kernel privileges.
Affected software
macOS
How to mitigate CVE-2021-30977
Install updates from vendor's website.
macOS - addressed in versions 12.1 21C52, 10.15.7 19H1615, 11.6.2 20G314, 12.3 21E230