Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2019-0796
Published: April 10, 2019
Vulnerability identifier: #VU18164
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-0796
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
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 calls to the LUAFV driver (luafv.sys). A local privileged user can set the short name of a file with a long name to an arbitrary short name and overwrite files on the system with limited privileges.
How to mitigate CVE-2019-0796
Install update from vendor's website.