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Microsoft Security Updates: May 2018

  • May 9, 2018
  • ProVal Technologies, Inc
  • Microsoft Security Updates
Microsoft Patch notes

File Attachment: May-2018

This Patch Tuesday has quite a few Microsoft fixes for both the OS and browsers.  In all, 67 unique CVEs are addressed in 17 KB articles, with 21 CVEs marked Critical.  32 of these CVEs reference Remote Code Execution, 19 of which are Critical. Those who use Hyper-V have some updates to pay attention to as well.

OS, Browser and Office
In terms of prioritization, we recommend patching user-facing assets first, with a focus on OS, browser patches, and Office to resolve scripting engine vulnerabilities.

We recommend you first test and deploy the fixes for CVE-2018-8174, which addresses how the scripting engine handles memory objects. It should be noted that Microsoft lists this patch as Exploitation Detected, so this update should get immediate attention.

Usually browsers are targeted heavily, and this month is no exception. There are 18 CVEs marked as critical, with Microsoft rating them as Exploitation More Likely.  So it is recommended to install the cumulative updates wherever possible to get the best coverage on any system that uses a browser to access the internet.

Hyper-V
In addition, Hyper-V has been getting some attention lately as well. While the vulnerabilities are rated as Exploitation Less Likely, it may be time to deploy Hyper-V updates as it has been getting more updates. There are two vulnerabilities that could enable a guest operating system to compromise the host. CVE-2018-0961 addresses abuse of vSMB packets, while CVE-2018-0959 could allow arbitrary code execution on the host from a guest OS.

Exchange
There is also a notable fix for a vulnerability in Exchange server you may want to review and deploy as well. CVE-2018-8153 is a spoofing vulnerability that could allow an attacker to trick a user into accessing a malicious website. The vulnerability does require user interaction, but it is important to reduce the attack surface, especially when it comes to email.

Adobe
There is one advisory for Flash Player, ADV180008, referencing CVE-2018-4944 from Adobe’s APSB18-16 bulletin for Flash Player. Additionally, Adobe released 2 other bulletins today for vulnerabilities in Creative Cloud and Adobe Connect.

Note: Microsoft recommends first fixing CVE-2018-8174, then to focus on all browser updates, and then turn your attention to Hyper-V.
Executive Summary
• Microsoft plans to distribute the Windows 10 version 1803 update automatically starting today. The release has a lot of bugs and suggestion are being made to block it for now.
•Microsoft released security updates for all client and server versions of the Windows operating system.
• All supported versions of Windows are affected by at least one critical security issue.
• Other Microsoft product with patches: Internet Explorer, Microsoft Edge, Microsoft Office, Adobe Flash Player, Microsoft .NET Framework, Microsoft Exchange Server.

Operating System Distribution
• Windows 7: 11 vulnerabilities of which 2 are rated critical, 7 important, and 1 low
• Windows 8.1: 11 vulnerabilities of which 2 are rated critical, 7 important, and 1 low
• Windows 10 version 1607: 18 vulnerabilities of which 3 are rated critical, 14 important and 1 low
• Windows 10 version 1703: 19 vulnerabilities of which 3 are rated critical, 15 important and 1 low
• Windows 10 version 1709: 20 vulnerabilities of which 3 are rated critical, 16 important and 1 low
• Windows 10 version 1803: 16 vulnerabilities of which 3 are rated critical, 12 important and 1 low

Windows Server products:
• Windows Server 2008 R2: 11 vulnerabilities which 2 are rated critical, 8 important, and 1 low
• Windows Server 2012 and 2012 R2: 11 vulnerabilities which 2 are rated critical, 8 important, and 1 low
• Windows Server 2016: 18 vulnerabilities of which 3 are rated critical, 14 important, and 1 low

Other Microsoft Products
• Internet Explorer 11: 9 vulnerabilities, 6 critical, 3 important
• Microsoft Edge: 18 vulnerabilities, 13 critical, 5 important

 

Direct update downloads
Updates for all supported versions of Windows may also be downloaded from the Microsoft Update Catalog website.

Windows 7 SP1 and Windows Server 2008 R2 SP
KB4103718— 2018-05 Security Monthly Quality Rollup for Windows 7
KB4103712 — 2018-05 Security Only Quality Update for Windows 7

Windows 8.1 and Windows Server 2012 R2
KB4103725 — 2018-05 Security Monthly Quality Rollup for Windows 8.1
KB4103715 — 2018-05 Security Only Quality Update for Windows 8.1

Windows 10 and Windows Server 2016 (version 1607)
KB4103723 — 2018-05 Cumulative Update for Windows 10 Version 1607

Windows 10 (version 1703)
KB4103731 — 2018-05 Cumulative Update for Windows 10 Version 1703

Windows 10 (version 1709)
KB4103727 — 2018-05 Cumulative Update for Windows 10 Version 1709

Windows 10 (version 1803)
KB4103721 — 2018-05 Cumulative Update for Windows 10 Version 1709

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ProVal Technologies, Inc

498 Palm Springs Drive, Ste. 130
Altamonte Springs, FL 32701
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Phone: 407-588-0101

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Microsoft Security Updates: May 2018

Microsoft Patch notes

I truly view ProVal as a partner and extension of my team, not as one of my vendors

When our NOC Manager left last fall we wanted to replace the position with an outsourced NOC to reduce headcount, and bring in an expert to both Labtech and our backup solutions. Bringing in ProVal Technologies was one of the best decisions we made last year and has paid for itself.During our first few monthly recurring Labtech admin meetings the ProVal team discovered incorrect settings and policies that were not applying correctly in our Labtech server. Things that we thought were automated and working were not. For example, there were multiple scripts and policies running but set to do nothing such as disk cleanup scripts. Cisco Umbrella was not configured correctly. Server alerting was not set right and the list went on.The backup team sends daily and weekly reports and updates that reduce my technicians time that we used to spend on backup or antivirus tickets that took forever and were tedious.ProVal also brings in great insights to our business and really cares about our success. They will frequently mention to me in meetings what new scripts they can import to make us more efficient or will schedule upgrades to our backups, Labtech, etc so I don’t have to worry. I truly view ProVal as a partner and extension of my team not as one of my vendors.

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Chris Warnick
Vision Computer Solutions
Northville, MI

They will quickly become an extension of your team and your ROI will reflect the results

We have been a long time user of Labtech and had tried for many years to manage the product internally with no real success at the level we needed to make our solutions more efficient for our customers. Once we hired Vikram and his team at ProVal, it solved all our pain points with the product and we really felt like we were leveraging the tool as it was designed. If this sounds like you and it’s keeping you up at night, then you need these guys. They will quickly become an extension of your team and your ROI will reflect the results.

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Bryan Wolff
CEO, Wolff Logics LT Managed & Admin Services
Cedar Park, Texas

They work well, fast and on budget

We met Vikram from ProVal Tech at Gary Pica’s Shnizzfest a year ago. Vikram explained the advantage of having trained, certified personnel take care of our recent Automate implementation. Even though we had taken an implementation package from ConnectWise to start up the program, we felt many custom configurations we needed for our business were lacking. We hired ProVal Tech after Automate was installed to help us with this task. From sales to technicians everyone was professional and knowledgeable. Onboarding was simple, and well documented. Tools on the web were supplied while we did the work, and they allowed us to track what was done, and see the improvements in the environment. It was easy to reach any of the team members, for any concern or question – all answered with courtesy and smile. Once the work was finished, we were given some training and explanations, add to that documentation, about the work and the scripts and features added to the program. We have been happily working with Automate since then. We can only recommend this efficient team of people for any work into Automate: they work well, fast and on budget.

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Ben Prevost
FarWeb IT
Sherbrooke, Canada