Rewterz Threat Advisory – Microsoft Windows Server 2012 / Windows RT 8.1 / 8.1 Multiple Vulnerabilities

Severity

High

Analysis Summary

CVE-2019-0615
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’. 

CVE-2019-0630
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka ‘Windows SMB Remote Code Execution Vulnerability’.

CVE-2019-0602
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’. 

CVE-2019-0597
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’.

CVE-2019-0662
A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory, aka ‘GDI+ Remote Code Execution Vulnerability’.

CVE-2019-0661
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka ‘Windows Kernel Information Disclosure Vulnerability’.

CVE-2019-0635
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka ‘Windows Hyper-V Information Disclosure Vulnerability’.

CVE-2019-0636
An information vulnerability exists when Windows improperly discloses file information, aka ‘Windows Information Disclosure Vulnerability’.

CVE-2019-0618
A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory, aka ‘GDI+ Remote Code Execution Vulnerability’.

CVE-2019-0619
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’. 

CVE-2019-0656
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka ‘Windows Kernel Elevation of Privilege Vulnerability’.

CVE-2019-0595
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’.

CVE-2019-0600
An information disclosure vulnerability exists when the Human Interface Devices (HID) component improperly handles objects in memory, aka ‘HID Information Disclosure Vulnerability’.

CVE-2019-0633
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka ‘Windows SMB Remote Code Execution Vulnerability’.

CVE-2019-0601
An information disclosure vulnerability exists when the Human Interface Devices (HID) component improperly handles objects in memory, aka ‘HID Information Disclosure Vulnerability’. 

CVE-2019-0663
An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.To exploit this vulnerability, an authenticated attacker could run a specially crafted application, aka ‘Windows Kernel Information Disclosure Vulnerability’.

CVE-2019-0664
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’. 

CVE-2019-0628
An information disclosure vulnerability exists when the win32k component improperly provides kernel information, aka ‘Win32k Information Disclosure Vulnerability’.

CVE-2019-0599
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’. 

CVE-2019-0596
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’.

CVE-2019-0621
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka ‘Windows Kernel Information Disclosure Vulnerability’.

CVE-2019-0660
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’. 

CVE-2019-0598
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’.

CVE-2019-0616
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka ‘Windows GDI Information Disclosure Vulnerability’.

CVE-2019-0625
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka ‘Jet Database Engine Remote Code Execution Vulnerability’.

CVE-2019-0623
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka ‘Win32k Elevation of Privilege Vulnerability’.

CVE-2019-0626
A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP server, aka ‘Windows DHCP Server Remote Code Execution Vulnerability’.

Impact

• System access 
• Privilege escalation 
• Exposure of sensitive information

Affected Products

Microsoft Windows Server 2012
Windows RT 8.1
Microsoft Windows 8

Remediation

Vendor has released updates for the following products.

Windows 8.1 for 32-bit systems (KB4489881):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489881



Windows Server 2012 (KB4489891):

Windows Server 2012 (Server Core installation) (KB4489891):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489891



Windows RT 8.1 (KB4489881):

Apply update (please see the vendor’s service database for details).



Windows 8.1 for x64-based systems (KB4489881):

Windows Server 2012 R2 (KB4489881):

Windows Server 2012 R2 (Server Core installation) (KB4489881):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489881



Windows Server 2012 (KB4489884):

Windows Server 2012 (Server Core installation) (KB4489884):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489884



Windows 8.1 for x64-based systems (KB4489883):

Windows Server 2012 R2 (KB4489883):

Windows Server 2012 R2 (Server Core installation) (KB4489883):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489883



Windows 8.1 for 32-bit systems (KB4489883):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4489883