Check Point Advisories

Schneider Electric SoMachine HVAC AxEditGrid ActiveX Untrusted Pointer Dereference (CVE-2016-4529)

Check Point Reference: CPAI-2016-0791
Date Published: 13 Sep 2016
Severity: High
Last Updated: Tuesday 13 September, 2016
Source: Schneider Electric
Industry Reference:CVE-2016-4529
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Schneider Electric SoMachine HVAC 2.02 and prior
Vulnerability Description The vulnerability is due to a dereference of user-supplied SetDataIntf parameter value as a function pointer within the AxEditGrid ActiveX control. A remote, unauthenticated attacker could exploit this vulnerability by enticing a victim user to open a specially crafted web page. Successful exploitation could lead to arbitrary code execution under the security context of the current user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Schneider Electric SoMachine HVAC AxEditGrid ActiveX Untrusted Pointer Dereference protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Schneider Electric SoMachine HVAC AxEditGrid ActiveX Untrusted Pointer Dereference

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