CVE-2024-23239: 
macOS vulnerability analysis and mitigation

CVE-2024-23239 is a race condition vulnerability discovered in Apple's operating systems that affects the sandbox component. The vulnerability was fixed in tvOS 17.4, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, and watchOS 10.4, released in March 2024. The vulnerability was discovered by Mickey Jin (@patch1t) (Apple Advisory).

The vulnerability is a race condition in the sandbox component that was addressed with improved state handling. It has been assigned a CVSS v3.1 base score of 4.7 (Medium) with the vector string CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N. The vulnerability is classified as CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (NVD).

When exploited, this vulnerability could allow a malicious app to leak sensitive user information (Apple Advisory).

The vulnerability requires local access and high attack complexity. While user interaction is required, no special privileges are needed to exploit it. The vulnerability primarily impacts confidentiality, with no direct impact on integrity or availability (NVD).

Apple has addressed this vulnerability by implementing improved state handling in the affected systems. Users should update to tvOS 17.4, iOS 17.4 and iPadOS 17.4, macOS Sonoma 14.4, or watchOS 10.4 depending on their device (Apple Advisory).