Out-of-bounds write in Apple iOS and iPadOS - CVE-2023-32366
Published: November 6, 2023
Vulnerability identifier: #VU82737
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2023-32366
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error in FontParser. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
Apple iOS
iPadOS
macOS
iPadOS
macOS
How to mitigate CVE-2023-32366
Install updates from vendor's website.
Apple iOS - addressed in versions 16.4 20E247, 15.7.4 19H321
iPadOS - addressed in versions 16.4 20E247, 15.7.4 19H321
macOS - addressed in versions 11.7.5 20G1225, 12.6.4 21G526, 13.3 22E252
iPadOS - addressed in versions 16.4 20E247, 15.7.4 19H321
macOS - addressed in versions 11.7.5 20G1225, 12.6.4 21G526, 13.3 22E252