Buffer overflow in Apple iOS and iPadOS - CVE-2023-23540

Vulnerability identifier: #VU74063

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-23540

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Apple Neural Engine feature. A local application can trigger memory corruption and execute arbitrary code with kernel privileges.

Apple iOS
iPadOS
macOS
Operational Decision Manager

Install updates from vendor's website.

Apple iOS - addressed in versions 16.4 20E247, 15.7.8 19H364
iPadOS - addressed in versions 16.4 20E247, 15.7.8 19H364
macOS - addressed in versions 11.7.5 20G1225, 12.6.4 21G526
Operational Decision Manager - addressed in versions 8.10.5.2 Interim fix 1, 8.11.0.1 Interim fix 30, 8.11.1 Interim fix 24, 8.12.0.1 Interim fix 5

• https://support.apple.com/en-us/HT213676

• Multiple vulnerabilities in Apple iOS 16 and iPadOS 16
• Multiple vulnerabilities in Apple macOS Big Sur
• Multiple vulnerabilities in Apple macOS Monterey
• Multiple vulnerabilities in Apple iOS 15 and iPadOS 15
• Multiple vulnerabilities in IBM Operational Decision Manager