#VU58897 Input validation error in macOS - CVE-2021-30969
Published: December 14, 2021
Vulnerability identifier: #VU58897
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30969
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
macOS
macOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to execute arbitrary files on the system.
The vulnerability exists due to insufficient validation of user-supplied input in Help Viewer when processing URL. A remote attacker can trick the victim to open a specially crafted URL and cause unexpected JavaScript execution from a file on disk.
Remediation
Install updates from vendor's website.