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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Windows Unspecified SmartCard Authentication Flaw Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1038264
SecurityTracker URL:  http://securitytracker.com/id/1038264
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Updated:  Apr 16 2017
Original Entry Date:  Apr 14 2017
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  
Version(s): XP, 2003; possibly others
Description:   A vulnerability was reported in Microsoft Windows. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted RDP data to trigger an unspecified flaw in a SmartCard authentication function and execute arbitrary code on the target system. The code will run with the privileges of the target service.

A tool named 'ESTEEMAUDIT' that exploits this vulnerability is publicly available.

[Editor's note: The exploit cannot be reproduced by the vendor on supported versions of Windows (i.e., Windows 7 and later).]

Shadow Brokers reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   No solution was available at the time of this entry.

[Editor's note: The exploit cannot be reproduced by the vendor on supported versions of Windows (i.e., Windows 7 and later).]

The vendor response is available at:

https://blogs.technet.microsoft.com/msrc/2017/04/14/protecting-customers-and-evaluating-risk/

Vendor URL:  www.microsoft.com/ (Links to External Site)
Cause:   Not specified

Message History:   None.


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