TippingPoint Zero Day Initiative

EMC AppXtender WxSuperCtrl650.ocx ActiveX Control Remote Code Execution Vulnerability

ZDI-12-182: August 29th, 2012


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 12483. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of EMC ApplicationXtender. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the WxSuperCtrl650.ocx ActiveX control. By manipulating a combination of the DisplayImageFile, AnnoLoad and AnnoSave methods, the vulnerable AnnoSave() method can enable an attacker to save arbitrary files inside arbitrary locations. The attacker is able to control the file extension and the creation path via a directory traversal issue. An attacker can leverage this vulnerability to execute code under the context of the process.

Vendor Response

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

Disclosure Timeline

    2012-03-14 - Vulnerability reported to vendor
    2012-08-29 - Coordinated public release of advisory


This vulnerability was discovered by:
    Andrea Micalizzi aka rgod