Check Point Advisories

Siemens SIMATIC WinCC RegReader ActiveX Control Buffer Overflow (CVE-2013-0674)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-1671
Date Published:	24 Apr 2013
Severity:	Medium
Last Updated:	Thursday 16 May, 2013
Source:
Industry Reference:	CVE-2013-0674
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A stack-based buffer overflow vulnerability has been reported in Siemens SIMATIC WinCC. The vulnerability is due to a boundary error in the RegReaderActiveX control. A remote attacker can exploit this vulnerability by enticing a target user to view crafted web content.

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

In the IPS tab, click Protections and find the Siemens SIMATIC WinCC RegReader ActiveX Control Buffer 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: Application Servers Protection Violation.
Attack Information: Siemens SIMATIC WinCC RegReader ActiveX Control Buffer Overflow