Check Point Advisories

ABB MicroSCADA Wserver Command Execution

Vulnerability
Protection

Check Point Reference:	CPAI-2013-3749
Date Published:	19 Dec 2013
Severity:	High
Last Updated:	Tuesday 31 December, 2013
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A command execution vulnerability has been reported in ABB MicroSCADA. The vulnerability is due to insufficient user authentication by the wserver.exe program when accepting remote execution calls. A remote, unauthenticated attacker can exploit this vulnerability to execute arbitrary commands on the target system within the security context of wserver.exe 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 ABB MicroSCADA Wserver Command Execution 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: ABB MicroSCADA Wserver Command Execution