Buffer overflow in macOS - CVE-2023-40420

Vulnerability identifier: #VU81149

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-40420

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in CoreAnimation. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and perform a denial of service (DoS) attack.

macOS
watchOS
iPadOS
Apple iOS
tvOS

Install updates from vendor's website.

macOS - addressed in versions 14.0 23A344, 12.7 21G816, 13.6 22G120
watchOS - update to 10.0
iPadOS - addressed in versions 16.7, 17.0
Apple iOS - addressed in versions 16.7 20H19, 17.0 21A326, 17.0 21A327, 17.0 21A329, 17.0 21A331
tvOS - update to 17.0

• https://support.apple.com/en-us/HT213940

• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 17 and iPadOS 17
• Multiple vulnerabilities in Apple macOS Ventura
• Privilege escalation in Apple macOS Monterey
• Multiple vulnerabilities in Apple iOS 16 and iPadOS 16
• Multiple vulnerabilities in Apple tvOS 17
• Multiple vulnerabilities in Apple watchOS 10