Link following in Microsoft Windows and Windows Server - CVE-2022-37955

 

Link following in Microsoft Windows and Windows Server - CVE-2022-37955

Published: September 13, 2022 / Updated: September 19, 2022


Vulnerability identifier: #VU67252
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2022-37955
CWE-ID: CWE-59
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 the Group Policy Preference Client module. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with SYSTEM privileges.

Successful exploitation of this vulnerability may result in privilege escalation.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2022-37955

Install updates from vendor's website.


External References

Related Security Bulletins