January 2017 Security Updates Summary

Earlier today Microsoft and Adobe released their scheduled monthly security updates.

Microsoft only made 4 bulletins available. These updates address 3 vulnerabilities listed within Microsoft’s security bulletin summary (as before excluding the Adobe bulletin). These are more formally known as CVEs (defined).

Once again; there are no Known Issues listed within the above summary page. At the time of writing the IT Pro Patch Tuesday blog does not list any Known Issues. However, please check it before deploying your security updates just to be sure. As always, if any issues do arise, those pages should be your first places to check for solutions.

Next month Microsoft will only be publishing it’s security bulletins and release notes within their Security Updates Guide; rather than distributing this information across several pages. This post from WinSuperSite explains the changes in full.

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Adobe made a pair of security bulletins available for Adobe Flash and Adobe Acrobat/Adobe Reader. The Flash Player bulletin resolves 13x priority 1 vulnerabilities. The Adobe Acrobat/Adobe Reader resolves 29x priority 2 vulnerabilities. Adobe’s priority rating are explained in the previous link.

Depending on which version of Flash Player you have, please review the Adobe security bulletin or Microsoft bulletin as appropriate and apply the recommended updates. Google Chrome users will have the updated installed automatically alongside the updated version of Google Chrome which will most likely be made available by Google either later today or in the next 1 to 2 days.

If you use Flash or Adobe Acrobat/Adobe Reader any of the above products, please review the security bulletins linked to above and apply the necessary updates. The Flash update should be installed as soon as possible since exploit kits (defined) tend to take advantage of newly disclosed vulnerabilities very quickly.

You can monitor the availability of security updates for most your software from the following websites (among others) or use Secunia PSI:

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US Computer Emergency Readiness Team (CERT) (please see the “Information on Security Updates” heading of the “Protecting Your PC” page):

https://www.us-cert.gov/

A further useful source of update related information is the Calendar of Updates.

News/announcements of updates in the categories of General Software, Security Software and Utilities are available on their website. The news/announcements are very timely and (almost always) contain useful direct download links as well as the changes/improvements made by those updates (where possible).

If you like and use it, please also consider supporting that entirely volunteer run website by donating.
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If you use any of the above software, please install the appropriate updates as soon as possible. Steps for installing updates for Windows are provided on the “Protecting Your PC” page.

While there may only be 3 Microsoft bulletins this month, I will prioritise the order of updates for you below:

The update for Microsoft Office should be installed first due to it’s criticality. This should be followed by the update for Microsoft Edge and finally by the LSASS update. The update for Edge is important due to exploit kits relying on such patches not to be installed in order to spread further malware (defined).

As always you can find detailed information on the contents of each security bulletin is published each month within ComputerWorld’s Patch Tuesday Debugged column.

Another security pre-caution that you may wish to take if you have Microsoft EMET (please ensure your version of EMET is the most recent version 5.51) installed is to use it to protect you from Adobe Flash being used to exploit vulnerabilities when you open a Microsoft Office document or Adobe PDF file. I provide recommendations of how to do this at the end of the July 2015 Update Summary.

Please note that Microsoft EMET is in the process of being retired with the end of support scheduled for the 31st of July 2018.

As is my standard practice, I would recommend backing up the data on any device for which you are installing updates to prevent data loss in the rare event that any update causes unexpected issues.

Thank you.

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