Experts at the CISA Agency successfully exploited the BlueKeep flaw on a machine running Windows 2000. The agency urges Microsoft users and administrators to install security patches, disable unnecessary services, enable Network Level Authentication (NLA) if available, and block TCP port 3389.
Below an excerpt from the security advisory:
“CISA encourages users and administrators review the Microsoft Security Advisory  and the Microsoft Customer Guidance for CVE-2019-0708  and apply the appropriate mitigation measures as soon as possible:
For OSs that do not have patches or systems that cannot be patched, other mitigation steps can be used to help protect against BlueKeep:
The vulnerability, tracked as CVE-2019-0708, impacts the Windows Remote Desktop Services (RDS) and was addressed by Microsoft with May 2019 Patch Tuesday updates. BlueKeep is a wormable flaw that can be exploited by malware authors to create malicious code with WannaCry capabilities.
As explained by Microsoft, this vulnerability could be exploited by malware with wormable capabilities, it could be exploited without user interaction, making it possible for malware to spread in an uncontrolled way into the target networks.
Many security experts have already developed their own exploit code for this issue without publicly disclosing it for obvious reasons.
Experts believe that it just a matter of time before we will see threat actors exploiting the flaw in the wild.
“Right now, it is only a matter of time until someone publishes a working exploit or a malware author starts selling one on the underground markets. Should that happen, it will probably become very popular among less skilled cybercriminals and also a lucrative asset for its originator,” reads the post published by ESET.
“BlueKeep will also show if organizations around the world learned a lesson after the large 2017 outbreaks and improved their security posture and patching routines.”
It has been estimated that roughly one million devices are vulnerable to attacks exploiting the BlueKeep Windows vulnerability and hackers are ready to hit them.
Most of the vulnerable systems are in China, followed by the United States.
Microsoft has released patches for Windows 7, Server 2008, XP and Server 2003. Windows 7 and Server 2008 users can prevent
Don’t waste time, patch your system!
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