Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-0942

 

Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-0942

Published: April 14, 2020


Vulnerability identifier: #VU26859
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-0942
CWE-ID: CWE-264
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 Windows handles file operations. A local user can create a malicious application, launch it on the system and overwrite files in arbitrary locations with elevated permissions.

To exploit the vulnerability, an attacker would first have to log on to the system.


How to mitigate CVE-2020-0942

Install update from vendor's website.

Sources