Security restrictions bypass in macOS - CVE-2019-8509
Published: May 18, 2021
Vulnerability identifier: #VU53334
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-2019-8509
CWE-ID: CWE-264
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 application does not properly impose security restrictions in File Quarantine subsystem, which leads to security restrictions bypass and privilege escalation.
Affected software
macOS
How to mitigate CVE-2019-8509
Install updates from vendor's website.
macOS - addressed in versions 10.13.6 17G9016, 10.14.6 18G1012, 10.15.1 19B88