Microsoft Windows Win32k CVE-2019-0859 Local Privilege Escalation Vulnerability

Bugtraq ID:	107763
Class:	Design Error
CVE:	CVE-2019-0859
Remote:	No
Local:	Yes
Published:	Apr 09 2019 12:00AM
Updated:	Apr 18 2019 12:00PM
Credit:	Vasily Berdnikov and Boris Larin of Kaspersky Lab
Vulnerable:	Microsoft Windows Server 2019 0 Microsoft Windows Server 2016 0 Microsoft Windows Server 2012 R2 0 Microsoft Windows Server 2012 0 Microsoft Windows Server 2008 R2 for x64-based Systems SP1 Microsoft Windows Server 2008 R2 for Itanium-based Systems SP1 Microsoft Windows Server 2008 for x64-based Systems SP2 Microsoft Windows Server 2008 for Itanium-based Systems SP2 Microsoft Windows Server 2008 for 32-bit Systems SP2 Microsoft Windows Server 1803 0 Microsoft Windows Server 1709 0 Microsoft Windows RT 8.1 Microsoft Windows 8.1 for x64-based Systems 0 Microsoft Windows 8.1 for 32-bit Systems 0 Microsoft Windows 7 for x64-based Systems SP1 Microsoft Windows 7 for 32-bit Systems SP1 Microsoft Windows 10 Version 1809 for x64-based Systems 0 Microsoft Windows 10 Version 1809 for ARM64-based Systems 0 Microsoft Windows 10 Version 1809 for 32-bit Systems 0 Microsoft Windows 10 Version 1803 for x64-based Systems 0 Microsoft Windows 10 Version 1803 for ARM64-based Systems 0 Microsoft Windows 10 Version 1803 for 32-bit Systems 0 Microsoft Windows 10 version 1709 for x64-based Systems 0 Microsoft Windows 10 Version 1709 for ARM64-based Systems 0 Microsoft Windows 10 version 1709 for 32-bit Systems 0 Microsoft Windows 10 version 1703 for x64-based Systems 0 Microsoft Windows 10 version 1703 for 32-bit Systems 0 Microsoft Windows 10 Version 1607 for x64-based Systems 0 Microsoft Windows 10 Version 1607 for 32-bit Systems 0 Microsoft Windows 10 for x64-based Systems 0 Microsoft Windows 10 for 32-bit Systems 0
Not Vulnerable:

Microsoft Windows Win32k CVE-2019-0859 Local Privilege Escalation Vulnerability

Microsoft Windows is prone to a local privilege-escalation vulnerability.

An attacker can exploit this issue to execute arbitrary code with elevated privileges. Failed exploit attempts may result in a denial of service condition.

Microsoft Windows Win32k CVE-2019-0859 Local Privilege Escalation Vulnerability

Reports indicate that this issue is being exploited in the wild. Please see the references for more information.

The researcher has created a proof-of-concept to demonstrate the issue. Please see the references for more information.

Microsoft Windows Win32k CVE-2019-0859 Local Privilege Escalation Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

Microsoft Windows Win32k CVE-2019-0859 Local Privilege Escalation Vulnerability

References:

• CVE-2019-0859: A zero-day vulnerability in Windows (Kaspersky)
  
• Microsoft Homepage (Microsoft)
  
• New zero-day vulnerability CVE-2019-0859 in win32k.sys (Kaspersky)
  
• CVE-2019-0859 | Win32k Elevation of Privilege Vulnerability (Microsoft)