Check Point Advisories

Fatek Automation PLC WinProladder Stack Buffer Overflow (CVE-2016-8377)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0145
Date Published:	26 Feb 2017
Severity:	Medium
Last Updated:	Thursday 09 March, 2017
Source:
Industry Reference:	CVE-2016-8377
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Fatek Automation PLC WinProladder 3.11 Build 14701
Vulnerability Description	A stack-based buffer overflow exists in Fatek Automation PLC WinProladder. The vulnerability is due to improper validation of user supplied data before copying to a stack-based buffer. A remote attacker could exploit this vulnerability by sending a crafted pdw file over a network to the vulnerable application.

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 Fatek Automation PLC WinProladder 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: Fatek Automation PLC WinProladder Stack Buffer Overflow