Input validation error in macOS - CVE-2021-1775
Published: February 2, 2021
Vulnerability identifier: #VU50193
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-1775
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input when processing font files within the FontParser component in macOS. A remote attacker can trick the victim to open a specially crafted document or a web page and execute arbitrary code on the system.
How to mitigate CVE-2021-1775
Install updates from vendor's website.