Check Point Advisories

WECON LeviStudio Stack Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0582
Date Published:	7 Jul 2016
Severity:	Medium
Last Updated:	Sunday 25 September, 2016
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Wecon LeviStudio V7.32 and prior
Vulnerability Description	The vulnerability is due to improper parsing of XML HmiSet Type attribute of LeviStudio project files. A remote attacker could exploit this vulnerability by enticing a user to open a crafted project file. Successful exploitation could allow the attacker to execute arbitrary code under the security context of the user process.

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 WECON LeviStudio Stack 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: Web Client Enforcement Violation.
Attack Information: WECON LeviStudio Stack Buffer Overflow