UNIX symbolic link following in macOS - CVE-2022-22582

 

UNIX symbolic link following in macOS - CVE-2022-22582

Published: March 14, 2022 / Updated: March 17, 2022


Vulnerability identifier: #VU61340
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2022-22582
CWE-ID: CWE-61
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

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

The vulnerability exists due to a symlink following issue in xar. A local user 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-2022-22582

Install updates from vendor's website.

Sources