CVE Vulnerabilities

CVE-2023-23520

Time-of-check Time-of-use (TOCTOU) Race Condition

Published: Feb 27, 2023 | Modified: Mar 11, 2025
CVSS 3.x
5.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

A race condition was addressed with additional validation. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. A user may be able to read arbitrary files as root.

Weakness

The product checks the state of a resource before using that resource, but the resource’s state can change between the check and the use in a way that invalidates the results of the check.

Affected Software

Name Vendor Start Version End Version
Ipados Apple * 16.3 (excluding)
Iphone_os Apple * 16.3 (excluding)
Macos Apple * 13.2 (excluding)

Potential Mitigations

References