Out-of-bounds write in macOS - CVE-2021-30728
Published: May 24, 2021
Vulnerability identifier: #VU53464
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-2021-30728
CWE-ID: CWE-787
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 within the Intel Graphics Driver. A local user can run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code on the target system with kernel privileges.
Affected software
macOS
How to mitigate CVE-2021-30728
Install updates from vendor's website.
macOS - addressed in versions 11.4 20F71, 10.14.6 18G9216, 10.15.7 19H1217