Input validation error in macOS - CVE-2021-30969
Published: December 14, 2021
Vulnerability identifier: #VU58897
CSH Severity: Medium
CVSS v4.0: 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
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability 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.
How to mitigate CVE-2021-30969
Install updates from vendor's website.