ShoreTel have released Service Alert: SA17025 in response to Microsoft's hotfixes for the WannaCrypt ransomware worm.


Subject: Recent Microsoft Ransomware Vulnerability
Date: May 15, 2017

Summary:
Microsoft recently release MS17-010 hotfix for ransomware vulnerability

Overview:
Due to the severity of the Microsoft ransomware vulnerability patched in their MS17-010 hotfix, ShoreTel recommends applying the MS17-010 hotfix immediately to all your servers and workstations. The MS17-010 hotfix can be applied to servers/workstations with all versions of ShoreTel software. ShoreTel highly recommends performing a backup of your ShoreTel servers prior to any updates.

See Microsoft’s website at the URLs below for further information:

https://blogs.technet.microsoft.com/mmpc/2017/05/12/wannacrypt-ransomware-worm-targets-out-of-datesystems/

https://technet.microsoft.com/en-us/library/security/ms17-010.aspx

NOTE: ShoreTel’s standard recommendation is to upgrade to the current 14.x or Connect versions.


Blackstar Solutions advise all customers to verify all Windows-based ShoreTel servers (and client workstations) as soon as possible, and if necessary as a minimum apply the appropriate security only update, as follows:


Windows Server 2012 R2 (KB4012213)

https://www.catalog.update.microsoft.com/Search.aspx?q=KB4012213


Windows Server 2012 (KB4012214)

http://www.catalog.update.microsoft.com/Search.aspx?q=KB4012214


Windows Server 2008 R2 for x64-based Systems Service Pack 1 (4012212)

http://www.catalog.update.microsoft.com/Search.aspx?q=KB4012212


Windows Server 2008 for 32-bit Systems Service Pack 2 (4012598)

http://www.catalog.update.microsoft.com/Search.aspx?q=KB4012598


Summary instructions for installation:

  1. Using the links above, download the update for your partcuar operating system
  2. Perform a back up your server pror to any updates
  3. Launch the security update and follow on screen prompts to install
  4. Reboot the server upon completion
  5. Review Windows Update History to verify update was installed successfully


Updates can also be applied using the Monthly Update Rollout or Windows Update Service, depending on your company security policy.