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Category:   OS (Microsoft)  >   Windows Server Message Block Vendors:   Microsoft
Microsoft Windows Server Message Block SMBv3 Response Processing Bug Lets Remote Users Cause the Target System to Crash
SecurityTracker Alert ID:  1037767
SecurityTracker URL:  http://securitytracker.com/id/1037767
CVE Reference:   CVE-2017-0016   (Links to External Site)
Updated:  Mar 14 2017
Original Entry Date:  Feb 2 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 8.1, 2012 R2, RT 8.1, 10, 10 version 1511, 10 version 1607
Description:   A vulnerability was reported in Microsoft Windows Server Message Block. A remote user can cause the target system to crash.

A remote SMB server can return specially crafted SMBv3 data to the target connected SMB client to cause the target system to crash.

A demonstration exploit is available at:

https://github.com/lgandx/PoC/tree/master/SMBv3%20Tree%20Connect

Laurent Gaffie reported this vulnerability.

Impact:   A remote user can cause the target system to crash.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://technet.microsoft.com/library/security/ms17-012

Vendor URL:  technet.microsoft.com/library/security/ms17-012 (Links to External Site)
Cause:   Boundary error

Message History:   None.


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