Link following in Windows and Windows Server - CVE-2019-1267

 

Link following in Windows and Windows Server - CVE-2019-1267

Published: September 10, 2019


Vulnerability identifier: #VU21008
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1267
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to the way Microsoft Compatibility Appraiser handles symbolic and hard links when reading configuration files. A local user can use this vulnerability to execute arbitrary code on the target system with elevated privileges.


How to mitigate CVE-2019-1267

Install updates from vendor's website.

Sources