Buffer overflow in Windows and Windows Server - CVE-2019-0623

 

Buffer overflow in Windows and Windows Server - CVE-2019-0623

Published: February 13, 2019


Vulnerability identifier: #VU17613
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-0623
CWE-ID: CWE-119
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 attacker to gain elevated privileges on the target system.

The vulnerability exists due to a boundary error when the Win32k component fails to properly handle objects in memory. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2019-0623

Install updates from vendor's website.

Sources