UNIX symbolic link following in macOS - CVE-2022-26688
Published: June 30, 2022
Vulnerability identifier: #VU64809
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-26688
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 within PackageKit. 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.
Affected software
macOS
How to mitigate CVE-2022-26688
Install updates from vendor's website.
macOS - addressed in versions 12.3 21E230, 10.15.7 19H1823, 11.6.5 20G527