Use-after-free in macOS - CVE-2023-42870
Published: December 26, 2023
Vulnerability identifier: #VU84757
CSH Severity: Low
CVSS v4 BT: 5.9 [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/E:U/U:Clear]
CVE-ID: CVE-2023-42870
CWE-ID: CWE-416
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 use-after-free error within the OS kernel. A local application can trigger a use-after-free error and execute arbitrary code on the system with kernel privileges.
Affected software
macOS
Apple iOS
iPadOS
Apple iOS
iPadOS
How to mitigate CVE-2023-42870
Install updates from vendor's website.
macOS - update to 14.0 23A344
Apple iOS - update to 17.0 21A327
iPadOS - update to 17.0
Apple iOS - update to 17.0 21A327
iPadOS - update to 17.0