Advisory Details

November 16th, 2011

InduSoft WebStudio Unauthenticated Remote Operations Remote Code Execution Vulnerability

ZDI-11-330
ZDI-CAN-1181

CVE ID CVE-2011-4051
CVSS SCORE 9, (AV:N/AC:L/Au:N/C:P/I:P/A:C)
AFFECTED VENDORS Indusoft
AFFECTED PRODUCTS WebStudio
TIPPINGPOINT™ IPS CUSTOMER PROTECTION TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 11473. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS


This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Indusoft Web Studio. Authentication is not required to exploit this vulnerability.

The flaw exists within the Remote Agent component (CEServer.exe) which listens by default on TCP port 4322. When handling incoming requests the process fails to perform any type of authentication. Many available operations allow direct manipulation and creation of files on disk, loading of arbitrary DLLs and process control. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the User.

VENDOR RESPONSE Indusoft has issued an update to correct this vulnerability. More details can be found at:
http://www.indusoft.com/hotfixes/hotfixes.php
DISCLOSURE TIMELINE
  • 2011-04-27 - Vulnerability reported to vendor
  • 2011-11-16 - Coordinated public release of advisory
CREDIT Luigi Auriemma
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