Security restrictions bypass in macOS - CVE-2020-27949
Published: May 14, 2021 / Updated: January 3, 2022
Vulnerability identifier: #VU53262
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27949
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions within the OS Kernel subsystem. A local user can run a specially crafted program to perform unexpected changes in memory belonging to processes traced by DTrace.
Affected software
macOS
How to mitigate CVE-2020-27949
Install updates from vendor's website.
macOS - addressed in versions 10.14.6 18G7016, 10.15.7 19H114, 11.1 20C69