Buffer overflow in macOS - CVE-2023-42849
Published: October 25, 2023
Vulnerability identifier: #VU82400
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-2023-42849
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the OS kernel. A local user can trigger memory corruption, bypass kernel memory mitigations and execute arbitrary code with elevated privileges.
Affected software
macOS
watchOS
iPadOS
Apple iOS
watchOS
iPadOS
Apple iOS
How to mitigate CVE-2023-42849
Install updates from vendor's website.
macOS - addressed in versions 12.7.1 21G920, 13.6.1 22G313, 14.1 23B74
watchOS - update to 10.1
iPadOS - addressed in versions 16.7.2, 17.1
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80
watchOS - update to 10.1
iPadOS - addressed in versions 16.7.2, 17.1
Apple iOS - addressed in versions 16.7.2 20H115, 17.1 21B74, 17.1 21B80