Check Point Advisories

SCADA ICONICS WebHMI ActiveX Stack Overflow (CVE-2011-2089)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-809
Date Published:	18 Nov 2012
Severity:	Critical
Last Updated:	Thursday 11 August, 2016
Source:
Industry Reference:	CVE-2011-2089
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A code execution vulnerability exists in ICONICS WebHMI's ActiveX control. The vulnerability occurs in GenVersion.dll due to improper bounds checking before the input is copied onto the stack. A remote attacker could exploit this vulnerability by sending a long string of data to the 'SetActiveXGUID' parameter which causes a buffer overflow.

Protection Overview

This protection will detect and block the transferring of a malicious data to the target host.

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

In the IPS tab, click Protections and find the SCADA ICONICS WebHMI ActiveX Stack Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: SCADA Protection Violation.
Attack Information: SCADA ICONICS WebHMI ActiveX Stack Overflow