TippingPoint Zero Day Initiative

InduSoft WebStudio CEServer Operation 0x15 Remote Code Execution Vulnerability

ZDI-11-329: November 16th, 2011


CVSS Score

Affected Vendors


Affected Products


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:

Vulnerability Details

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

The flaw exists within the CEServer component which is used as a runtime dependency for applications deployed using Indusoft WebStudio. When handling the Remove File operation (0x15) the process blindly copies user supplied data to a fixed-length buffer on the stack. A remote attacker can exploit this vulnerability to execute
arbitrary code under the context of the browser.

Vendor Response

Indusoft has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2011-04-27 - Vulnerability reported to vendor
    2011-11-16 - Coordinated public release of advisory


This vulnerability was discovered by:
    Luigi Auriemma