Creation of Temporary File With Insecure Permissions in iPadOS and Apple iOS - CVE-2023-40438

 

Creation of Temporary File With Insecure Permissions in iPadOS and Apple iOS - CVE-2023-40438

Published: December 26, 2023


Vulnerability identifier: #VU84749
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40438
CWE-ID: CWE-378
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to improper handling of temporary files in Core Image. A local application can access edited photos saved to a temporary directory.



Affected software

iPadOS
Apple iOS
macOS

How to mitigate CVE-2023-40438

Install updates from vendor's website.

iPadOS - update to 16.7
Apple iOS - update to 16.7 20H19
macOS - update to 14.0 23A344

External References

Related Security Bulletins