Out-of-bounds write in macOS - CVE-2020-29612
Published: March 24, 2021 / Updated: March 31, 2021
Vulnerability identifier: #VU51688
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-2020-29612
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 in Graphics drivers within the AppleIntelKBLGraphics kex. A local user can run a specially crafted program to trigger an out-of-bounds write error and execute arbitrary code on the target system with kernel privileges.
Affected software
macOS
How to mitigate CVE-2020-29612
Install updates from vendor's website.
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.0.1 20B50