Rewterz Threat Advisory – Microsoft Windows Server 2016 / Windows 10 Multiple Vulnerabilities

SEVERITY: HIGH

CATEGORY: VULNERABILITY

PUBLISH DATE: DECEMBER 17, 2018

ANALYSIS SUMMARY:

CVE-2018-8595: An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory.

CVE-2018-8649: Windows improperly handles objects in memory, that could lead to Denial of Service

CVE-2018-8477: Windows kernel improperly handles objects in memory, resulting in information disclosure

CVE-2018-8641: Windows kernel-mode driver fails to properly handle objects in memory, leading to elevation of privilege

CVE-2018-8612: A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values

CVE-2018-8637: An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass

CVE-2018-8638: DirectX improperly handles objects in memory, leading to information dislosure

CVE-2018-8611: Windows kernel fails to properly handle objects in memory, leading to privilege escalation

CVE-2018-8639: Win32k component fails to properly handle objects in memory in Windows, leading to privilege escalation

CVE-2018-8634: Microsoft text-to-speech fails to properly handle objects in the memory in Windows, making it vulnerable to remote code execution

CVE-2018-8599: When the Diagnostics Hub Standard Collector Service improperly impersonates certain file operations, privilege escalation can be achieved

CVE-2018-8514: When Remote Procedure Call runtime improperly initializes objects in memory, it may disclose sensitive information

CVE-2018-8596: When the Windows GDI component improperly discloses the contents of its memory, it causes information disclosure

CVE-2018-8626: A remote code execution vulnerability exists in Windows Domain Name System (DNS) servers when they fail to properly handle requests

IMPACT

System access, Denial of Service, Privilege escalation, Exposure of sensitive information, Remote Code Execution

AFFECTED PRODUCTS 

Microsoft Windows 10

Microsoft Windows Server 2016

REMEDIATION

Apply update.

Windows Server 2016 (KB4471321): Windows 10 Version 1607 for x64-based Systems (KB4471321):

Windows Server 2016 (Server Core installation) (KB4471321):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471321

Windows 10 Version 1607 for 32-bit Systems (KB4471321):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471321

Windows 10 for x64-based Systems (KB4471323):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471323

Windows 10 for 32-bit Systems (KB4471323):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471323

Windows 10 Version 1703 for x64-based Systems (KB4471327):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471327

Windows 10 Version 1703 for 32-bit Systems (KB4471327):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471327

Windows 10 Version 1809 for ARM64-based Systems (KB4471332):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

Windows 10 Version 1809 for x64-based Systems (KB4471332):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

Windows 10 Version 1809 for 32-bit Systems (KB4471332):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471332

Windows 10 Version 1709 for 32-bit Systems (KB4471329):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

Windows 10 Version 1803 for 32-bit Systems (KB4471324):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

Windows 10 Version 1709 for x64-based Systems (KB4471329):

Windows Server, version 1709 (Server Core Installation) (KB4471329):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

Windows 10 Version 1803 for x64-based Systems (KB4471324):

Windows Server, version 1803 (Server Core Installation) (KB4471324):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

Windows 10 Version 1803 for ARM64-based Systems (KB4471324):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471324

Windows 10 Version 1709 for ARM64-based Systems (KB4471329):

https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4471329

Note: Security updates for Windows Server 2016 and Windows 10 are available via e.g. Windows Update or Windows Update Catalog only.