#VU86567 UNIX symbolic link following in Apple iOS and iPadOS - CVE-2023-42942

 

#VU86567 UNIX symbolic link following in Apple iOS and iPadOS - CVE-2023-42942

Published: February 19, 2024


Vulnerability identifier: #VU86567
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2023-42942
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Apple iOS
iPadOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a symlink following issue in libxpc. A local application can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.


Remediation

Install updates from vendor's website.

External links