Code Injection in macOS - CVE-2021-30777
Published: July 22, 2021
Vulnerability identifier: #VU55195
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-2021-30777
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to improper input validation within the CoreStorage subsystem. A local application can inject and execute arbitrary code with root privileges.
Affected software
macOS
How to mitigate CVE-2021-30777
Install updates from vendor's website.
macOS - addressed in versions 11.5 20G71, 10.14.6 18G9323, 10.15.7 19H1323