Check Point Advisories

Siemens SIMATIC WinCC Flexible SCADA Runtime Stack Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2012-093
Date Published:	26 Mar 2012
Severity:	High
Last Updated:	Friday 22 November, 2024
Source:
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Siemens SIMATIC WinCC flexible Runtime 2008 SP2 update 13 and prior
Vulnerability Description	A stack buffer overflow vulnerability has been reported in Siemens SIMATIC WinCC Flexible.
Vulnerability Details	The vulnerability is due to insufficient validation of user-supplied length value. A remote attacker may exploit this issue by sending a specially crafted request to an affected product. Successful exploitation could allow an attacker to execute arbitrary code in the security context of the affected application.

Protection Overview

This protection will detect and block attempts to transfer malicious requests.

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

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Siemens SIMATIC WinCC Flexible Runtime Stack Buffer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Application Servers Protection Violation
Attack Information: Siemens SIMATIC WinCC Flexible Runtime stack buffer overflow