CVE Vulnerabilities

CVE-2023-23520

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

Published: Feb 27, 2023 | Modified: Jul 27, 2023
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. This can cause the product to perform invalid actions when the resource is in an unexpected state.

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