Exploiting Windows SMB v3.1.1 | CVE-2020-0796 | SMBGhost | CORONABLUE
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.
Why it is wormable?
Remember MS17-010??? ok.. Remember wannaCry!!!!!! yes… that is it. Whenever there is any vulnerability that might be used by any malicious hacker group to spread any kind of malware/computer virus/worm, then the vulnerability can be called as “Wormable“.
- Windows 10 Version 1903 for 32-bit Systems
- Windows 10 Version 1903 for ARM64-based Systems
- Windows 10 Version 1903 for x64-based Systems
- Windows 10 Version 1909 for 32-bit Systems
- Windows 10 Version 1909 for ARM64-based Systems
- Windows 10 Version 1909 for x64-based Systems
- Windows Server, version 1903 (Server Core installation)
- Windows Server, version 1909 (Server Core installation)
- Vulnerability Detection via Python Script
- Vulnerability Detection via unofficial Nmap script
- Exploitation using python script that will cause DoS
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- Python 3.0+
How to detect
Currently there is no public exploit available for Remote Code Execution (RCE) but there are couple of scripts available which can cause Denial of Services (DoS) to the target system.
Below is the screenshot which is showing DoS process using existing exploit code:
- Remote Code Execution : TO DO
- MSF Module for RCE/PrivEsc
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters" DisableCompression -Type DWORD -Value 1 -Force
Happy Learning… Happy Hacking…