UNIX symbolic link following in Apple iOS and iPadOS - CVE-2023-42942
Published: February 19, 2024
Vulnerability identifier: #VU86567
CSH Severity: Low
CVSS v4.0: 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
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability 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.
How to mitigate CVE-2023-42942
Install updates from vendor's website.