Check Point Advisories

Unitronics VisiLogic OPLC IDE vlp File Parsing Heap Buffer Overflow (CVE-2015-7939)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0089
Date Published:	11 Feb 2016
Severity:	High
Last Updated:	Thursday 14 April, 2016
Source:	Unitronics
Industry Reference:	CVE-2015-7939
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Unitronics VisiLogic OPLC prior to V9.8.09
Vulnerability Description	A heap buffer overflow vulnerability exists in Unitronics VisiLogic OPLC IDE. The vulnerability is due to errors parsing VisiLogic project files. A remote attacker could exploit this vulnerability by enticing a vulnerable user to open a crafted web page or file. Successful exploitation could lead to code execution in the context of the local administrator.

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 Unitronics VisiLogic OPLC IDE vlp File Parsing Heap 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: Content Protection Violation.
Attack Information: Unitronics VisiLogic OPLC IDE vlp File Parsing Heap Buffer Overflow