Microsoft security alert.
November 12, 2019
Advisory overview
Qualys Vulnerability R&D Lab has released new vulnerability checks in the Enterprise TruRisk Platform to protect organizations against 74 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 2019
- Severity
- Critical 4
- Qualys ID
- 100390
- Vendor Reference
- KB4523205, KB4524570, KB4525106, KB4525232, KB4525234, KB4525235, KB4525236, KB4525237, KB4525241, KB4525243, KB4525246
- CVE Reference
- CVE-2019-1390, CVE-2019-1429
- CVSS Scores
- Base 7.6 / Temporal 6.3
- Description
-
Microsoft releases the security update for Internet Explorer November 2019
The KB Articles associated with the update:
KB4525243
KB4525237
KB4525246
KB4525234
KB4525106
KB4524570
KB4525232
KB4525235
KB4523205
KB4525241
KB4525236
QID Detection Logic:This QID checks for the file version of Mshtml.dll
The following versions of Mshtml.dll with their corresponding KBs are verified:
KB4525243 - 11.0.9600.19541
KB4525237 - 11.0.17134.1130
KB4525246 - 10.0.9200.22906
KB4525234 - 9.0.8112.21385
KB4525106 - 10.0.9200.22904 , 11.0.9600.19538 , 9.0.8112.21383
KB4524570 - 11.0.18362.449 , 11.0.18362.476
KB4525232 - 11.0.10240.18366 , 11.0.10240.18394
KB4525235 - 11.0.9600.19541
KB4523205 - 11.0.17763.831 , 11.0.17763.802
KB4525241 - 11.0.16299.1504
KB4525236 - 11.0.14393.3321
- Consequence
- An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.
- Solution
-
Please refer to the 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
-
Microsoft Office and Microsoft Office Services and Web Apps Security Update November 2019
- Severity
- Critical 4
- Qualys ID
- 110340
- Vendor Reference
- KB4484113, KB4484119, KB4484127, KB4484141, KB4484142, KB4484143, KB4484144, KB4484148, KB4484149, KB4484151, KB4484152, KB4484157, KB4484158, KB4484159, KB4484160, KB4484164, KB4484165
- CVE Reference
- CVE-2019-1402, CVE-2019-1442, CVE-2019-1443, CVE-2019-1445, CVE-2019-1446, CVE-2019-1447, CVE-2019-1448, CVE-2019-1449, CVE-2019-1457, CVE-2019-1491
- CVSS Scores
- Base 10 / Temporal 7.4
- Description
-
Microsoft has released November 2019 security updates to fix multiple security vulnerabilities.
This security update contains the following KBs:
KB4484119
KB4484113
KB4484127
KB4484142
KB4484149
KB4484157
KB4484143
KB4484165
KB4484141
KB4484159
KB4484164
KB4484144
KB4484158
KB4484152
KB4484148
KB4484160
KB4484151QID Detection Logic:
This authenticated QID checks the file versions from above Microsoft KB article with the versions on affected office system.Update (12/17/2019): New CVE-2019-1491 added to the QID. The CVE affects SharePoint Server and can be patched using November 2019 updates.
- Consequence
- Successful exploitation allows an attacker to execute code remotely.
- 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 2019
-
Microsoft Exchange Server Security Update for November 2019
- Severity
- Critical 4
- Qualys ID
- 50096
- Vendor Reference
- KB4523171
- CVE Reference
- CVE-2019-1373
- CVSS Scores
- Base 7.5 / Temporal 5.5
- Description
-
Microsoft has released an update for Microsoft Exchange Server that remediates a remote code execution vulnerability through the deserialization of metadata via PowerShell. The security update addresses the vulnerability by correcting how Exchange serializes its metadata.
Affected Software:
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 13
Microsoft Exchange Server 2016 Cumulative Update 14
Microsoft Exchange Server 2019 Cumulative Update 2
Microsoft Exchange Server 2019 Cumulative Update 3KB Article covered: KB4523171.
QID Detection Logic (authenticated):
The QID checks for the version of file Exsetup.exe if it is lesser than:
The version for Microsoft Exchange Server 2013 Cumulative Update 23 is 15.0.1497.4
The version for Microsoft Exchange Server 2016 Cumulative Update 13 is 15.1.1779.7
The version for Microsoft Exchange Server 2016 Cumulative Update 14 is 15.1.1847.5
The version for Microsoft Exchange Server 2019 Cumulative Update 2 is 15.2.397.9
The version for Microsoft Exchange Server 2019 Cumulative Update 3 is 15.2.464.7 - Consequence
-
Successful exploitation allows an attacker to execute arbitrary code in the context of the logged in user.
- Solution
-
Customers are advised to refer to KB4523171 for updates pertaining to these vulnerabilities.
Patches:
The following are links for downloading patches to fix these vulnerabilities:
KB4523171
-
Microsoft Edge Security Update for November 2019
- Severity
- Critical 4
- Qualys ID
- 91585
- Vendor Reference
- KB4523205, KB4524570, KB4525232, KB4525236, KB4525237, KB4525241
- CVE Reference
- CVE-2019-1413, CVE-2019-1426, CVE-2019-1427, CVE-2019-1428
- CVSS Scores
- Base 7.6 / Temporal 5.6
- Description
-
Microsoft releases the security update for Microsoft Edge November 2019
The KB Articles associated with the update:
KB4524570
KB4525232
KB4523205
KB4525241
KB4525236
KB4525237
QID Detection Logic:This QID checks for the file version of edgehtml.dll
The following versions of edgehtml.dll with their corresponding KBs are verified:
KB4524570 - 11.0.18362.476
KB4525232 - 11.0.10240.18394
KB4523205 - 11.0.17763.831
KB4525241 - 11.0.16299.1504
KB4525236 - 11.0.14393.3241
KB4525237 - 11.0.17134.1130
- Consequence
- An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.
- Solution
-
Please refer to the 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
-
Microsoft Windows Security Update for November 2019
- Severity
- Critical 4
- Qualys ID
- 91586
- Vendor Reference
- KB4523205, KB4524570, KB4525232, KB4525233, KB4525234, KB4525235, KB4525236, KB4525237, KB4525239, KB4525241, KB4525243, KB4525246, KB4525250, KB4525253
- CVE Reference
- CVE-2018-12207, CVE-2019-0712, CVE-2019-0719, CVE-2019-0721, CVE-2019-1309, CVE-2019-1310, CVE-2019-1324, CVE-2019-1374, CVE-2019-1379, CVE-2019-1380, CVE-2019-1381, CVE-2019-1382, CVE-2019-1383, CVE-2019-1384, CVE-2019-1385, CVE-2019-1388, CVE-2019-1389, CVE-2019-1391, CVE-2019-1392, CVE-2019-1393, CVE-2019-1394, CVE-2019-1395, CVE-2019-1396, CVE-2019-1397, CVE-2019-1398, CVE-2019-1399, CVE-2019-1405, CVE-2019-1406, CVE-2019-1407, CVE-2019-1408, CVE-2019-1409, CVE-2019-1411, CVE-2019-1412, CVE-2019-1415, CVE-2019-1416, CVE-2019-1417, CVE-2019-1418, CVE-2019-1419, CVE-2019-1420, CVE-2019-1422, CVE-2019-1423, CVE-2019-1424, CVE-2019-1430, CVE-2019-1432, CVE-2019-1433, CVE-2019-1434, CVE-2019-1435, CVE-2019-1436, CVE-2019-1437, CVE-2019-1438, CVE-2019-1439, CVE-2019-1440, CVE-2019-1441, CVE-2019-1454, CVE-2019-1456, CVE-2019-11135
- CVSS Scores
- Base 9.3 / Temporal 7.7
- Description
-
Microsoft releases the security update for Windows November 2019
The KB Articles associated with the update:
KB4525233
KB4525236
KB4524570
KB4525232
KB4525235
KB4523205
KB4525241
KB4525239
KB4525250
KB4525253
KB4525243
KB4525237
KB4525246
KB4525234
This QID checks for the file version of ntoskrnl.exe
The following versions of ntoskrnl.exe with their corresponding KBs are verified:
KB4525233 - 6.1.7601.24535
KB4525236 - 10.0.14393.3321
KB4524570 - 10.0.18362.476
KB4525232 - 10.0.10240.18394
KB4525235 - 6.1.7601.24535
KB4523205 - 10.0.17763.864
KB4525241 - 10.0.16299.1504
KB4525239 - 6.0.6003.20667
KB4525250 - 6.3.9600.19538
KB4525253 - 6.2.9200.22904
KB4525243 - 6.3.9600.19538
KB4525237 - 10.0.17134.1130
KB4525246 - 6.2.9200.22904
KB4525234 - 6.0.6003.20667
- Consequence
- An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
- Solution
-
Please refer to the 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
-
Microsoft Windows Servicing Stack Security Update November 2019
- Severity
- Medium 2
- Qualys ID
- 91587
- Vendor Reference
- KB4520724, KB4523200, KB4523202, KB4523203, KB4523204, KB4523208, KB4524445, KB4524569, KB4526478
- CVE Reference
- N/A
- CVSS Scores
- Base 5.1 / Temporal 3.8
- Description
-
Microsoft has released Servicing Stack security updates for Windows 2008, Windows 10, Windows 10 Version 1607, Windows 10 Version 1709, Windows 10 Version 1803, Windows 10 Version 1809, Windows 10 Version 1903,Windows 8.1, Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation), Windows Server 2016,Windows Server 2016 (Server Core installation), Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server, version 1803 (Server Core Installation), Windows Server, version 1903 (Server Core installation)
QID Detection Logic (Authenticated):
This authenticated QID will check for file version of CbsCore.dll - Consequence
- Successful exploitation allows attacker to compromise the system.
- Solution
-
Customers are advised to refer to advisrory ADV990001for more information.
Patches:
The following are links for downloading patches to fix these vulnerabilities:
ADV990001
-
Microsoft Visual Studio Security Update for November 2019
- Severity
- Serious 3
- Qualys ID
- 91588
- Vendor Reference
- CVE-2019-1425
- CVE Reference
- CVE-2019-1425
- CVSS Scores
- Base 5.8 / Temporal 4.3
- Description
-
An elevation of privilege vulnerability exists when Visual Studio fails to properly validate hardlinks while extracting archived files. An attacker who successfully exploited this vulnerability could overwrite arbitrary files in the security context of the local system.
To exploit this vulnerability, an attacker would need to trick an elevated user into downloading a malicious package, either by getting them to open a malicious project or convincing them to add a malicious package to an existing project.Affected Software:
Microsoft Visual Studio 2017 Version 15.9
Microsoft Visual Studio 2019 Version 16.0
Microsoft Visual Studio 2019 Version 16.3QID Detection Logic:
This QID detects vulnerable versions of Microsoft Visual Studio by checking file version of devenv.exe. - Consequence
- An attacker who successfully exploited this vulnerability could overwrite arbitrary files in the security context of the local system.
- Solution
-
Customers are advised to refer to CVE-2019-1425 for more information pertaining to this vulnerability.
Patches:
The following are links for downloading patches to fix these vulnerabilities:
CVE-2019-1425
These new vulnerability checks are included in Qualys vulnerability signature 2.4.744-3. Each Qualys account is automatically updated with the latest vulnerability signatures as they become available. To view the vulnerability signature version in your account, from the Qualys Help menu, select the About tab.
Selective Scan Instructions Using Qualys
To perform a selective vulnerability scan, configure a scan profile to use the following options:
- Ensure access to TCP ports 135 and 139 are available.
- Enable Windows Authentication (specify Authentication Records).
-
Enable the following Qualys IDs:
- 100390
- 110340
- 50096
- 91585
- 91586
- 91587
- 91588
- If you would like the scan to return the Windows Hostname, also include QID 82044 and ensure access to UDP port 137 is available.
- If you would like to be notified if Qualys is unable to log on to a host (if Authentication fails), also include QID 105015.
In addition, prior to running a scan for these new vulnerabilities, you can estimate your exposure to these new threats by running the Risk Analysis Report, available from the Qualys Vulnerability Management Reports tab.
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.