UNIX symbolic link following in macOS - CVE-2022-42857
Published: November 6, 2023
Vulnerability identifier: #VU82720
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-42857
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a symlink following issue. A local user can create a specially crafted symbolic link to protected regions of the disk and overwrite files on the system.
Affected software
macOS
How to mitigate CVE-2022-42857
Install updates from vendor's website.
macOS - update to 12.4 21F79