Check Point Advisories

SCADA DNP3 freeze time no ack function code

Vulnerability
Protection

Check Point Reference:	CPAI-2012-752
Date Published:	13 Nov 2012
Severity:	N/A
Last Updated:	Wednesday 06 May, 2015
Source:
Protection Provided by:	Security Gateway R77, R75
Who is Vulnerable?
Vulnerability Description	A vulnerability exists in DNP3 protocol An attacker can use this exploit to perform unauthorized actions There are cases in which certain traffic, although not intended for malicious use, is very unsafe, since it may transfer shellcode which is undetectable by IPS.

Protection Overview

This protection will monitor DNP3 commands.

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 R77 / R75

In the IPS tab, click Protections and find the SCADA DNP3 freeze time no ack function code 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: SCADA Protection Violation.
Attack Information: SCADA DNP3 freeze time no ack function code