Number: AV17-068
Date: 13 May 2017
Purpose
The purpose of this advisory is to bring attention to the release of a patch by Microsoft for end-of-life products recently impacted by a ransomware campaign known as “WCry”, “Wana”, “WCrypt”, “WanaDecryptor” or “WanaCry”.
Assessment
Over the past 48 hours this ransomware campaign has been exploiting vulnerabilities in what are considered to be Microsoft “custom support only” products worldwide. Microsoft has released a security update for all customers to protect the following vulnerable Windows platforms;
- Windows XP,
- Windows 8
- Windows Server 2003
Suggested Action
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.
References:
Microsoft: Customer Guidance for WannaCrypt attacks
https://blogs.technet.microsoft.com/msrc/2017/05/12/customer-guidance-for-wannacrypt-attacks/
Microsoft Security Bulletin MS17-010 - Critical
Security Update for Microsoft Windows SMB Server (4013389)
https://technet.microsoft.com/en-us/library/security/ms17-010.aspx
Microsoft Malware Protection Center
https://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Ransom:Win32/WannaCrypt