### [CVE-2009-3676](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3676) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The SMB client in the kernel in Microsoft Windows Server 2008 R2 and Windows 7 allows remote SMB servers and man-in-the-middle attackers to cause a denial of service (infinite loop and system hang) via a (1) SMBv1 or (2) SMBv2 response packet that contains (a) an incorrect length value in a NetBIOS header or (b) an additional length field at the end of this response packet, aka "SMB Client Incomplete Response Vulnerability." ### POC #### Reference - http://g-laurent.blogspot.com/2009/11/windows-7-server-2008r2-remote-kernel.html - http://seclists.org/fulldisclosure/2009/Nov/134 - http://secunia.com/blog/66/ #### Github - https://github.com/aRustyDev/C844