Zero-day vulnerability in macOS

Out-of-bounds write
CVE-2022-32893

Vulnerability details

Advisory: SB2022081718 - Multiple vulnerabilities in Apple macOS Monterey

Vulnerable component: macOS

CVE-ID: CVE-2022-32893

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-787 - Out-of-bounds Write

Description:

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger an out-of-bounds write and execute arbitrary code on the target system.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://support.apple.com/en-us/HT213413

https://support.apple.com/en-us/HT213412