Check Point Advisories

WECON LeviStudio ShortMessage Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2020-0317
Date Published:	1 May 2020
Severity:	High
Last Updated:	Friday 01 May, 2020
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	LeviStudio
Vulnerability Description	A stack buffer overflow exists in Wecon LeviStudio. The vulnerability is due to improper parsing of XML SMtext attribute by WECON LeviStudio's ShortMessage_Module.

Protection Overview

This protection detects 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 ShortMessage 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 ShortMessage Buffer Overflow