Microsoft security alert.

Advisory overview

Qualys Vulnerability R&D Lab has released new vulnerability checks in the Enterprise TruRisk Platform to protect organizations against 53 vulnerabilities that were fixed in 6 bulletins announced today by Microsoft. Customers can immediately audit their networks for these and other new vulnerabilities by accessing their Qualys subscription. Visit Qualys Security Blog to prioritize remediation.

Non-Qualys customers can audit their network for these and other vulnerabilities by signing up for a Qualys Free Trial, or by trying Qualys Community Edition.

Vulnerability details

Microsoft has released 6 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:

• Microsoft Security Update for SQL Server for August 2017

  Severity

  Critical 4

  Qualys ID

  91407

  Vendor Reference

  CVE-2017-8516

  CVE Reference

  CVE-2017-8516

  CVSS Scores

  Base 5 / Temporal 3.7

  Description

  An information disclosure vulnerability exists in Microsoft SQL Server Analysis Services when it improperly enforces permissions. An attacker could exploit the vulnerability if the attacker's credentials allow access to an affected SQL server database. The security update addresses the vulnerability by correcting how SQL Server Analysis Services enforces permissions.

  QID Detection Logic:
  This authenticated QID checks for vulnerable MSSQL versions lesser than 2011.110.6251.0, 2011.110.6607.3, 2014.120.4237.0, 2014.120.4522.0, 2014.120.5207.0, 2014.120.5553.0, 2015.130.1742.0, 2015.130.2210.0, 2015.130.4206.0 or 2015.130.4446.0.
  Knowledge base articles: KB4019092, KB4019090, KB4019091, KB4032542, KB4019093, KB4019096, KB4019088, KB4019086, KB4019089, KB4019095

  Consequence

  Successful exploitation allows an attacker to gain additional database and file information.

  Solution

  Customers are advised to refer to CVE-2017-8516 for more information.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  4019086
  4019088
  4019089
  4019090
  4019091
  4019092
  4019093
  4019095
  4032542
  4036996

• Microsoft Internet Explorer Security Update for August 2017

  Severity

  Urgent 5

  Qualys ID

  100317

  Vendor Reference

  KB4034658, KB4034660, KB4034664, KB4034665, KB4034668, KB4034674, KB4034681, KB4034733

  CVE Reference

  CVE-2017-0228, CVE-2017-8625, CVE-2017-8635, CVE-2017-8636, CVE-2017-8641, CVE-2017-8651, CVE-2017-8653, CVE-2017-8669

  CVSS Scores

  Base 7.6 / Temporal 6

  Description

  Internet Explorer is a web-browser developed by Microsoft which is included in Microsoft Windows Operating Systems.

  Microsoft has released Cumulative Security Updates for Internet Explorer which addresses various vulnerabilities found in Internet Explorer 9 (IE 9), Internet Explorer 10 (IE 10) and Internet Explorer 11 (IE 11). The security updated is rated Moderate for for Internet Explorer 9 (IE 9) and Internet Explorer 10 (IE 10) and Critical for Internet Explorer 11 (IE 11).

  The Security Update addresses the vulnerabilities by fixing:

  1) The update addresses the vulnerability by fixing how Internet Explorer browser validates UMCI policies.. (CVE-2017-8625)
  2) The update addresses the vulnerability by modifying Microsoft browser JavaScript scripting engines objects in memory. (CVE-2017-8635)
  3) The update addresses the vulnerability by modifying how Microsoft browser JavaScript scripting engines objects in memory. (CVE-2017-8636)
  4) The update addresses the vulnerability by modifying how Microsoft browser JavaScript scripting engines objects in memory. (CVE-2017-8641)
  5) The update addresses the vulnerability by modifying how Internet Explorer handles objects in memory (CVE-2017-8651)
  6) The update addresses the vulnerability by modifying how Microsoft browser handles objects in memory. (CVE-2017-8653)
  7) The update addresses the vulnerability by modifying how Microsoft browser handles objects in memory. (CVE-2017-8669)

  KB Articles associated with the Update:

  1) KB4034660
  2) KB4034658
  3) KB4034668
  4) KB4034681
  5) KB4034733
  6) KB4034674
  7) KB4034665
  8) 4034664
  QID Detection Logic (Authenticated):
  Operating Systems: Windows Server 2008, Windows Server 2008 R2, Windows 7, Windows 8.1, Windows RT 8.1, Windows10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
  This QID checks for the file version of %windir%\System32\mshtml.dll
  The following KBs are checked:
  The patch version of 9.0.8112.16929 (KB4034733)
  The patch version of 9.0.8112.21040 (KB4034733)
  The patch version of 10.0.9200.22227 (KB4034733 or KB4034665)
  The patch version of 11.0.9600.18763 (KB4034681 or KB4034733 or KB4034664)
  The patch version of 11.0.10240.17533 (KB4034668)
  The patch version of 11.0.10586.1045 (KB4034660)
  The patch version of 11.0.14393.1593 (KB4034658)
  The patch version of 11.0.15063.540 (KB4034674)

  Consequence

  Successful exploitation of the vulnerability may allow the attacker to cause:

  1) Remote Code Execution
  2) Security Feature bypass
  

  Solution

  For more information, Customers are advised to refer the Security Update Guide.
  

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  Microsoft Security Update Guide

• Microsoft Windows Adobe Flash Player Security Update for August 2017

  Severity

  Critical 4

  Qualys ID

  100316

  Vendor Reference

  ADV170010

  CVE Reference

  CVE-2017-3085, CVE-2017-3106

  CVSS Scores

  Base 9.3 / Temporal 7.3

  Description

  This update addresses vulnerabilities which are described in the Adobe Security Bulletin APSB17-23, if installed on any supported edition of Microsoft Windows 10 Version 1607, Windows 10 Version 1511, Windows 10 Version 1703, Windows 8.1, Windows Server 2012, Windows Server 2016, Windows Server 2012 R2, Windows 10 and Windows RT 8.1

  QID Detection Logic:
  Operating Systems: Windows 8.1, Windows RT 8.1, Windows10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
  This authenticated QID checks for the file version of %windir%\System32\Macromed\Flash\Flash.ocx for file versions lesser than 26.0.0.151.
  

  Consequence

  Successful exploitation allows an attacker to execute arbitrary code and bypass security restrictions to gain access to sensitive information.

  Solution

  Customers are advised to follow ADV170010 for instructions pertaining to the remediation of these vulnerabilities.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  ADV170010

• Microsoft Edge Security Update for August 2017

  Severity

  Urgent 5

  Qualys ID

  91406

  Vendor Reference

  4034658, 4034660, 4034668, 4034674

  CVE Reference

  CVE-2017-8503, CVE-2017-8518, CVE-2017-8634, CVE-2017-8635, CVE-2017-8636, CVE-2017-8637, CVE-2017-8638, CVE-2017-8639, CVE-2017-8640, CVE-2017-8641, CVE-2017-8642, CVE-2017-8644, CVE-2017-8645, CVE-2017-8646, CVE-2017-8647, CVE-2017-8650, CVE-2017-8652, CVE-2017-8653, CVE-2017-8655, CVE-2017-8656, CVE-2017-8657, CVE-2017-8659, CVE-2017-8661, CVE-2017-8662, CVE-2017-8669, CVE-2017-8670, CVE-2017-8671, CVE-2017-8672, CVE-2017-8674

  CVSS Scores

  Base 7.6 / Temporal 6.3

  Description

  Microsoft Edge suffers multiple security vulnerabilities. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. Many memory corruption vulnerabilities that lead to RCE have been fixed in the browsers scripting engine.
  Microsoft Edge on all Windows 10 versions and Windows Server 2016
  KB Articles associated with the Update:

  1)4034660
  2)4034658
  3)4034674
  4)4034668
  

  QID Detection Logic (Authenticated):
  Operating Systems: All versions of Windows 10 and Windows Server 2016
  This QID checks for the file version of %windir%\System32\edgehtml.dll
  The following KBs are checked:
  The patch version is 11.0.10586.1045 (KB4034660)
  The patch version is 11.0.14393.1593 (KB4034658)
  The patch version is 11.0.15063.540 (KB4034674)
  The patch version is 11.0.10240.17533 (KB4034674)
  

  Consequence

  Successful exploitation of the vulnerability may allow the attacker to cause:

  1) Remote Code Execution
  2) Elevation of Privilege
  3) Security Feature Bypass
  4) Information Disclosure
  

  Solution

  For more information, Customers are advised to refer the Security Update Guide.
  

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  Microsoft Security Update Guide

• Microsoft Office Security Update August 2017

  Severity

  Serious 3

  Qualys ID

  110301

  Vendor Reference

  KB2956077

  CVE Reference

  CVE-2017-8654

  CVSS Scores

  Base 3.5 / Temporal 2.6

  Description

  A cross-site scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server.(CVE-2017-8654) This security updates contain following KBs:
  KB2956077

  Affected Version:
  Service Pack 2 for Microsoft SharePoint Server 2010. QID Detection Logic (Authenticated):
  This QID checks for the file version of Microsoft.Office.Server.Search.dll
  

  Consequence

  An attacker who successfully exploited the vulnerability could perform cross-site scripting attacks on affected systems and run script in the security context of the current user.

  Solution

  Customers are advised to refer to Microsoft Security Guidance for more details pertaining to this vulnerability.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  KB2956077

• Microsoft Windows Security Update August 2017

  Severity

  Urgent 5

  Qualys ID

  91405

  Vendor Reference

  KB4022750, KB4034034, KB4034658, KB4034660, KB4034664, KB4034665, KB4034666, KB4034668, KB4034672, KB4034674, KB4034679, KB4034681, KB4034741, KB4034744, KB4034745, KB4034775, KB4035055, KB4035056, KB4035679

  CVE Reference

  CVE-2017-0174, CVE-2017-0250, CVE-2017-0293, CVE-2017-0299, CVE-2017-8591, CVE-2017-8593, CVE-2017-8620, CVE-2017-8622, CVE-2017-8623, CVE-2017-8624, CVE-2017-8627, CVE-2017-8633, CVE-2017-8664, CVE-2017-8666, CVE-2017-8668, CVE-2017-8673, CVE-2017-8691

  CVSS Scores

  Base 9.3 / Temporal 7.3

  Description

  This security update resolves a vulnerability in Windows Error Reporting (WER). (CVE-2017-8633)
  A remote code execution vulnerability. (CVE-2017-8664)
  An information disclosure vulnerability exists in the win32k component.(CVE-2017-8666)
  An information disclosure vulnerability exists in the Volume Manager Extension Driver.(CVE-2017-8668)
  A denial of service vulnerability exists when Microsoft Windows improperly handles NetBIOS packets.(CVE-2017-0174)
  A buffer overflow vulnerability exists in the Microsoft JET Database Engine.(CVE-2017-0250)
  A remote code execution in the Microsoft Windows PDF Library. (CVE-2017-0293)
  A remote code execution vulnerability in the Windows Input Method Editor. (CVE-2017-8591)
  Microsoft Win32k allows an elevation of privilege vulnerability when it fails to properly handle objects in memory. (CVE-2017-8593)
  A remote code execution vulnerability exists when Windows Search handles objects in memory. (CVE-2017-8620)
  Windows Subsystem for Linux allows an elevation of privilege vulnerability when it fails to properly handle handles NT pipes. (CVE-2017-8622)
  Windows Hyper-V allows a denial of service vulnerability (CVE-2017-8623)
  An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. (CVE-2017-8624)
  Windows Subsystem for Linux, allows a denial of service vulnerability due to the way it handles objects in memory. (CVE-2017-8627)
  The Remote Desktop Protocol (RDP) implementation allows an attacker to connect to a target system using RDP and send specially crafted requests. (CVE-2017-8673)
  A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts.(CVE-2017-8691)
  

  QID Detection Logic (Authenticated):
  Operating Systems: Windows Server 2008, Windows Server 2008 R2, Windows 7, Windows 8.1, Windows RT 8.1, Windows10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
  This QID checks for following file versions %windir%\System32\Wer.dll for all affected OS:-
  The patch version of 6.0.6002.19848 (KB4035679)
  The patch version of 6.0.6002.24169 (KB4035679)
  The patch version of 6.1.7601.23877 (KB4034664 or KB4024679)
  The patch version of 6.2.9200.22242 (KB4034665 or KB4034666)
  The patch version of 6.3.9600.18772 (KB4034681 or KB4034672)
  The patch version of 10.0.10240.17533 (KB4034668)
  The patch version of 10.0.10586.1045 (KB4034660)
  The patch version of 10.0.14393.1593 (KB4034658)
  The patch version of 10.0.15063.540 (KB4034674)

  This QID checks for following files and its versions for Windows 2008 SP2:-
  The patch version of %windir%\System32\win32k.sys 6.0.6002.19836 (KB4035055)
  The patch version of %windir%\System32\win32k.sys 6.0.6002.24157 (KB4035055)
  The patch version of %windir%\System32\drivers\volmgrx.sys 6.0.6002.19834 (KB4034744)
  The patch version of %windir%\System32\drivers\volmgrx.sys 6.0.6002.24154 (KB4034744)
  The patch version of %windir%\System32\Msrd3x40.dll 4.0.9801.0 (KB4034744)
  The patch version of %windir%\System32\Query.dll 6.0.6002.19836 (KB4034034)
  The patch version of %windir%\System32\Query.dll 6.0.6002.24154 (KB4034034)
  The patch version of %windir%\System32\Clfs.sys 6.0.6002.19837 (KB4034745)
  The patch version of %windir%\System32\Clfs.sys 6.0.6002.24158 (KB4034745)
  The patch version of %windir%\System32\T2embed.dll 6.0.6002.19834 (KB4035056)
  The patch version of %windir%\System32\T2embed.dll 6.0.6002.24154 (KB4035056)
  The patch version of %windir%\System32\Tdx.sys 6.0.6002.19832 (KB4022750)
  The patch version of %windir%\System32\Tdx.sys 6.0.6002.24152 (KB4022750)
  

  Consequence

  Successful exploitation allows an attacker to execute arbitrary code and take control of an affected system.

  Solution

  Customers are advised to refer to Microsoft Security Guidance for more details pertaining to this vulnerability.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  KB4022750
  KB4034034
  KB4034658
  KB4034660
  KB4034664
  KB4034665
  KB4034666
  KB4034668
  KB4034672
  KB4034674
  KB4034679
  KB4034681
  KB4034741
  KB4034744
  KB4034745
  KB4034775
  KB4035055
  KB4035056
  KB4035679

Access for Qualys Customers

Platforms and Platform Identification

Technical Support

For more information, customers may contact Qualys Technical Support.

About Qualys

The Enterprise TruRisk Platform and its integrated suite of security and compliance applications provides organizations of all sizes with a global view of their security and compliance solutions, while drastically reducing their total cost of ownership. Qualys solutions include: continuous monitoring, vulnerability management, policy compliance, PCI compliance, security assessment questionnaire, web application scanning, web application firewall, malware detection and SECURE Seal for security testing of web sites.