Bluekeep vulnerability  - Bluekeep 2Bvulnerability - Nearly One Million Systems being Vulnerable to BlueKeep RDP Bug

Nearly one million PCs on the public are still vulnerable to wormable, BlueKeep RDP flaw. Even-though Microsoft fixed the vulnerability on May 14, 90,000 unpatched devices are still running with the older operating systems.

We have reported about “Bluekeep vulnerability” earlier this week. Successful exploitation of this vulnerability, allows an attacker to execute arbitrary code on the windows machine and to install programs on the machine with elevated privileges.

The vulnerability can be tracked as CVE-2019-0708, and it affects multiple windows operating systems that includes both the supported and non-supported versions.

Robert Graham conducted an RDP scan looking for port 3389 used by Remote Desktop to find the possible vulnerable machines. He discovered that 923,671 machines are still vulnerable to BlueKeep bug.

In the scan, Graham used the “rdpscan”, which is a modified version of the port scanner tool “masscan” that scans the entire internet to detect the machines vulnerability against BlueKeep.

This result indicates that even after the patch was released, Organizations and individuals are not actively patching the vulnerability.

“When the worm hits, it’ll likely compromise those million devices. This will likely lead to an event as damaging as WannaCry and notPetya from 2017 — potentially worse.” said Graham.

Bad Packets Observed a scanning activity associated with BlueKeep vulnerability originating from Russia, Netherlands, and .

Grey Noise intelligence observed a thread actor actively scanning for BlueKeep vulnerability via Tor exit nodes.

McAfee, Kaspersky, Check Point, and MalwareTech created a Proof-of-Concept (PoC) that would use the CVE-2019-0708 vulnerability that could remotely execute the code on the ’s machine.

Mitigations

  • Block Remote Desktop Services if they are not in use.
  • Block TCP port 3389 at the Perimeter Firewall.
  • Apply the patch to the vulnerable Machines that have RDP Enabled

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