TippingPoint Zero Day Initiative

Schneider Electric SoMachine HVAC AxEditGrid ActiveX Control SetDataIntf Remote Code Execution Vulnerability

ZDI-16-440: July 20th, 2016


CVSS Score

Affected Vendors

Affected Products

    SoMachine HVAC

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Schneider Electric SoMachine HVAC. 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 SetDataIntf method of the AxEditGrid control. The control has an untrusted pointer dereference vulnerability because it blindly calls an attacker-supplied memory address. A remote attacker can leverage this vulnerability to execute arbitrary code under the context of the process.

Vendor Response

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

Disclosure Timeline

    2016-02-18 - Vulnerability reported to vendor
    2016-07-20 - Coordinated public release of advisory


This vulnerability was discovered by: