Security restrictions bypass in macOS - CVE-2019-8509

 

Security restrictions bypass in macOS - CVE-2019-8509

Published: May 18, 2021


Vulnerability identifier: #VU53334
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-8509
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

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.


How to mitigate CVE-2019-8509

Install updates from vendor's website.

Sources