Check Point Advisories

ScadaTEC ScadaPhone and ModbusTagServer SCADA Remote Code Execution - Ver2 (CVE-2011-4535)

Check Point Reference: CPAI-2015-0738
Date Published: 18 May 2015
Severity: Critical
Last Updated: Monday 18 May, 2015
Source:
Industry Reference:CVE-2011-4535
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description A stack buffer overflow vulnerability has been reported in ScadaTEC ScadaPhone and ModbusTagServer. The vulnerability is due to a boundary check error. A remote attacker can exploit this issue by enticing a victim to open a specially crafted ZIP archive file with the affected product. Successful exploitation could allow an attacker to execute arbitrary commands on the system.

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 ScadaTEC ScadaPhone and ModbusTagServer SCADA Remote Code Execution - Ver2 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:  SCADA Protection Violation.
Attack Information:  ScadaTEC ScadaPhone and ModbusTagServer SCADA Remote Code Execution - Ver2

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