Main Vulnerability Database Vulnerabilities #VU82426

Use-after-free in macOS - CVE-2023-40404

Published: October 25, 2023 / Updated: October 11, 2024

Vulnerability identifier: #VU82426

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-2023-40404

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: Public exploit is 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 in Networking. A local application can trigger a use-after-free error and execute arbitrary code with kernel privileges.

Affected software

macOS

How to mitigate CVE-2023-40404

Install updates from vendor's website.

macOS - update to 14.1 23B74

Links to Public Exploits and PoC-codes

Exploit #10578 - GenEtherExploit (is a PoC exploit for the macOS vulnerability CVE-2023-40404. This PoC leverages IOKit APIs to interact with the IOUserEthernetResource network service, manipulating the system's network interfaces) (October 11, 2024)

External References

https://support.apple.com/en-us/HT213984

Related Security Bulletins

Multiple vulnerabilities in Apple macOS Sonoma