Buffer overflow in macOS - CVE-2023-40423
Published: October 25, 2023
Vulnerability identifier: #VU82399
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-2023-40423
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a boundary error in IOTextEncryptionFamily. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.
Affected software
macOS
iPadOS
Apple iOS
iPadOS
Apple iOS
How to mitigate CVE-2023-40423
Install updates from vendor's website.
macOS - addressed in versions 12.7.1 21G920, 13.6.1 22G313, 14.1 23B74
iPadOS - addressed in versions 16.7.2, 17.1
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80
iPadOS - addressed in versions 16.7.2, 17.1
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80