Microsoft security alert.

Advisory overview

Qualys Vulnerability R&D Lab has released new vulnerability checks in the Qualys Cloud Platform to protect organizations against 54 vulnerabilities that were fixed in 7 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 7 security bulletins to fix newly discovered flaws in their software. Qualys has released the following checks for these new vulnerabilities:

• Microsoft Internet Explorer Security Update for November 2018

  Severity

  Urgent 5

  Qualys ID

  100346

  Vendor Reference

  KB4466536, KB4467107, KB4467680, KB4467686, KB4467691, KB4467696, KB4467697, KB4467701, KB4467702, KB4467706, KB4467708

  CVE Reference

  CVE-2018-8552, CVE-2018-8570

  CVSS Scores

  Base 7.6 / Temporal 6.3

  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 most severe of the vulnerabilities could allow remote code execution.

  QID Detection Logic (Authenticated):
  Operating Systems: Windows Server 2008, Windows Server 2008 R2, Windows 7, Windows 8 Embedded, Windows 8.1, Windows RT 8.1, Windows 10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019.
  

  This QID checks for the file version of %windir%\System32\mshtml.dll

  The following versions of mshtml.dll with their corresponding KBs are verified:
  1. KB4467107 - 11.0.9600.19180
  2. KB4466536 - 11.0.9600.19180,10.0.9200.22597,11.0.9600.19180,9.0.8112.21282
  3. KB4467697 - 11.0.9600.19180
  4. KB4467691 - 11.0.14393.2608
  5. KB4467680 - 11.0.10240.18036
  6. KB4467696 - 11.0.15063.1446
  7. KB4467686 - 11.0.16299.785
  8. KB4467702 - 11.0.17134.407
  9. KB4467708 - 11.0.17763.134
  10. KB4467701 - 10.0.9200.22597
  11. KB4467706 - 9.0.8112.21282
  

  Consequence

  Successful exploitation of the vulnerability can lead to information disclosure and arbitrary code execution within the context of the current user.

  Solution

  For more information, refer to the Security Update Guide.

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

• Microsoft Office and Microsoft Office Services and Web Apps Security Update November 2018

  Severity

  Critical 4

  Qualys ID

  110325

  Vendor Reference

  KB3114565, KB4011190, KB4022147, KB4022232, KB4022237, KB4032218, KB4092473, KB4461473, KB4461478, KB4461483, KB4461485, KB4461486, KB4461487, KB4461488, KB4461489, KB4461501, KB4461503, KB4461504, KB4461506, KB4461511, KB4461518, KB4461519, KB4461520, KB4461524, KB4461526, KB4461527, KB4461529, KB4461530

  CVE Reference

  CVE-2018-8522, CVE-2018-8524, CVE-2018-8539, CVE-2018-8546, CVE-2018-8558, CVE-2018-8568, CVE-2018-8572, CVE-2018-8573, CVE-2018-8574, CVE-2018-8575, CVE-2018-8576, CVE-2018-8577, CVE-2018-8578, CVE-2018-8579, CVE-2018-8582

  CVSS Scores

  Base 9.3 / Temporal 7.3

  Description

  Microsoft released security updates in November 2018 to fix multiple security vulnerabilities.

  This security update contains the following KBs:
  KB3114565
  KB4011190
  KB4022147
  KB4022232
  KB4022237
  KB4032218
  KB4092473
  KB4461473
  KB4461478
  KB4461483
  KB4461485
  KB4461486
  KB4461487
  KB4461488
  KB4461489
  KB4461501
  KB4461503
  KB4461504
  KB4461506
  KB4461511
  KB4461518
  KB4461519
  KB4461520
  KB4461524
  KB4461526
  KB4461527
  KB4461529
  KB4461530

  QID Detection Logic:
  This authenticated QID checks the file versions from above Microsoft KB article with the versions on affected office system.

  Consequence

  Successful exploitation allows an attacker to execute arbitrary code.

  Solution

  Refer to Microsoft Security Guidance for more details pertaining to this vulnerability.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  Microsoft Office and Microsoft Office Services and Web Apps Security Update November 2018

• Microsoft Windows Security Update KB3177467 Missing

  Severity

  Serious 3

  Qualys ID

  91478

  Vendor Reference

  KB3177467

  CVE Reference

  N/A

  CVSS Scores

  Base 5.4 / Temporal 4

  Description

  Microsoft has released a Servicing stack update for Windows 7 SP1 and Windows Server 2008 R2 SP1.

  The update improves Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1 servicing stack.

  Affected Versions:
  Windows 7 Service Pack 1 (SP1)
  Windows Server 2008 R2 SP1

  QID Detection Logic (Authenticated):
  The QID checks if the version of the file %windir%\WinSxS\*microsoft-windows-servicingstack*\Apds.dll is less than 6.1.7601.23505.

  Consequence

  Not having the the Servicing Stack update can lead to extra time for installing regular Microsoft Updates or may not allow to install certain updates on the system.

  Solution

  Customers are advised to refer to KB3177467 for more information.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  KB3177467

• Microsoft Edge Security Update for November 2018

  Severity

  Urgent 5

  Qualys ID

  91479

  Vendor Reference

  KB4467680, KB4467686, KB4467691, KB4467696, KB4467702, KB4467708

  CVE Reference

  CVE-2018-8541, CVE-2018-8542, CVE-2018-8543, CVE-2018-8545, CVE-2018-8551, CVE-2018-8555, CVE-2018-8556, CVE-2018-8557, CVE-2018-8564, CVE-2018-8567, CVE-2018-8588

  CVSS Scores

  Base 7.6 / Temporal 5.6

  Description

  Microsoft Edge is a web browser developed by Microsoft that replaces Internet Explorer as the default web browser. Microsoft Edge is vulnerable to multiple issues.

  KB Articles associated with the update:
  KB4467702
  KB4467708
  KB4467691
  KB4467680
  KB4467696
  KB4467686

  QID Detection Logic (Authenticated):
  This QID reviews the file version of %windir%\System32\edgehtml.dll
  The patch version is 11.0.10240.18036 (KB4467680)
  The patch version is 11.0.14393.2608 (KB4467691)
  The patch version is 11.0.15063.1446 (KB4467696)
  The patch version is 11.0.16299.785 (KB4467686)
  The patch version is 11.0.17134.407 (KB4467702)
  The patch version is 11.0.17763.134 (KB4467708)
  

  Consequence

  Depending on the vulnerability being exploited, a remote attacker could exploit these vulnerabilities to bypass security restrictions, gain access to sensitive data or execute arbitrary code on the targeted system.

  Solution

  Refer to Security Update Guide for more information pertaining to these vulnerabilities.

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

• Microsoft Team Foundation Server Multiple Vulnerabilities (November 2018)

  Severity

  Critical 4

  Qualys ID

  91480

  Vendor Reference

  CVE-2018-8529, CVE-2018-8602

  CVE Reference

  CVE-2018-8529, CVE-2018-8602

  CVSS Scores

  Base 7.5 / Temporal 5.5

  Description

  A remote code execution vulnerability exists when Team Foundation Server (TFS) does not enable basic authorization on the communication between the TFS and Search services.

  A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input.

  This security update is rated Important for supported versions of Microsoft Team Foundation Server.

  QID Detection Logic (Authenticated):
  This QID checks for the vulnerable file version of Microsoft.TeamFoundation.Server.WebAccess.Admin.dll

  Consequence

  Successful exploitation allows remote code execution.

  Solution

  Refer to Security Update Guide for more information pertaining to these vulnerabilities.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  Team Foundation Server Update Nov 2018(Team Foundation Server 2017 Update 3.1)
  Team Foundation Server Update Nov 2018(Team Foundation Server 2018 Update 1.1)
  Team Foundation Server Update Nov 2018(Team Foundation Server 2018 Update 3)
  Team Foundation Server Update Nov 2018(Team Foundation Server 2018 Update 3.1)

• Microsoft Windows Security Update November 2018

  Severity

  Critical 4

  Qualys ID

  91481

  Vendor Reference

  KB4467106, KB4467107, KB4467678, KB4467680, KB4467686, KB4467691, KB4467696, KB4467697, KB4467700, KB4467701, KB4467702, KB4467703, KB4467706, KB4467708

  CVE Reference

  CVE-2018-8256, CVE-2018-8407, CVE-2018-8408, CVE-2018-8415, CVE-2018-8417, CVE-2018-8450, CVE-2018-8454, CVE-2018-8471, CVE-2018-8476, CVE-2018-8485, CVE-2018-8544, CVE-2018-8547, CVE-2018-8549, CVE-2018-8550, CVE-2018-8553, CVE-2018-8554, CVE-2018-8561, CVE-2018-8562, CVE-2018-8563, CVE-2018-8565, CVE-2018-8584, CVE-2018-8589, CVE-2018-8592

  CVSS Scores

  Base 10 / Temporal 8.3

  Description

  A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files.(CVE-2018-8256)

  An information disclosure vulnerability exists when Kernel Remote Procedure Call Provider driver improperly initializes objects in memory.(CVE-2018-8407)

  An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.(CVE-2018-8408)

  A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code.(CVE-2018-8415)

  A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard.(CVE-2018-8417)

  An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory.(CVE-2018-8485)

  A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory.(CVE-2018-8544)

  A cross-site-scripting (XSS) vulnerability exists in an open source customization for Microsoft Active Directory Federation Services.(CVE-2018-8547)

  A security feature bypass exists when Windows incorrectly validates kernel driver signatures.(CVE-2018-8549)

  An elevation of privilege exists in Windows COM Aggregate Marshaler.(CVE-2018-8550)

  A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory.(CVE-2018-8553)

  An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory.(CVE-2018-8554, CVE-2018-8561, CVE-2018-8563)

  An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory.(CVE-2018-8562)

  An information disclosure vulnerability exists when the win32k component improperly provides kernel information.(CVE-2018-8565)

  An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC).(CVE-2018-8584)

  An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys.(CVE-2018-8589)

  An elevation of privilege vulnerability exists in Windows 10 version 1809 when installed from physical media (USB, DVD, etc.) with the keep nothing option selected during installation.(CVE-2018-8592)

  A remote code execution vulnerability exists when Windows Search handles objects in memory.(CVE-2018-8450)

  An Information Disclosure vulnerability exists when Windows Audio Service fails to properly handle objects in memory.(CVE-2018-8454)

  An elevation of privilege vulnerability exists in the way that the Microsoft RemoteFX Virtual GPU miniport driver handles objects in memory.(CVE-2018-8471)

  A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory.(CVE-2018-8476)

  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, Windows Server 2019
  This QID checks for following file versions %windir%\System32\ntoskrnl.exe:
  The patch version of 6.0.6002.24521 (KB4467706 or KB4467700)
  The patch version of 6.1.7601.24291 (KB4467106 or KB4467107)
  The patch version of 6.2.9200.22601 (KB4467701 or KB4467678)
  The patch version of 6.3.9600.19179 (KB4467697 or KB4467703)
  The patch version of 10.0.10240.18036 (KB4467680)
  The patch version of 10.0.14393.2608 (KB4467691)
  The patch version of 10.0.15063.1446 (KB4467696)
  The patch version of 10.0.16299.785 (KB4467686)
  The patch version of 10.0.17134.407 (KB4467702)
  The patch version of 10.0.17763.134 (KB4467708)
  

  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:
  Microsoft Security Guidance

• Microsoft Windows BitLocker Security Feature Bypass Vulnerability

  Severity

  Serious 3

  Qualys ID

  91482

  Vendor Reference

  KB4465659, KB4465660, KB4465661, KB4465663, KB4465664, KB5011570, KB5014026

  CVE Reference

  CVE-2018-8566

  CVSS Scores

  Base 2.1 / Temporal 1.6

  Description

  A security feature bypass vulnerability exists when Windows improperly suspends BitLocker Device Encryption. An attacker with physical access to a powered off system could exploit this vulnerability to gain access to encrypted data.

  QID Detection Logic (Authenticated):
  Operating Systems: Windows 10, Windows Server 2016
  This QID checks for following file versions %windir%\WinSxS\*microsoft-windows-servicingstack*\CbsCore.dll:
  The patch version of 10.0.14393.2602 (KB4465659)
  The patch version of 10.0.15063.1441 (KB4465660)
  The patch version of 10.0.16299.782 (KB4465661)
  The patch version of 10.0.17134.400 (KB4465663)
  The patch version of 10.0.17763.132 (KB4465664)
  

  Consequence

  An attacker with physical access to a powered off system could exploit this vulnerability to gain access to encrypted data.

  Solution

  Customers are advised to refer to CVE-2018-8566 for more details pertaining to this vulnerability.

  Patches:
  The following are links for downloading patches to fix these vulnerabilities:
  CVE-2018-8566

Access for Qualys Customers

Platforms and Platform Identification

Technical Support

For more information, customers may contact Qualys Technical Support.

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