Check Point Advisories

Unauthenticated DCOM SystemActivation/RemoteActivation traffic

Check Point Reference: CPAI-2003-11
Date Published: 6 Sep 2007
Severity: N/A
Last Updated: 9 Jan 2014
Source:
Protection Provided by:

Security Gateway
R80, R77, R76, R75, R71, R70

Who is Vulnerable?
Vulnerability Description There are several known and widely exploited vulnerabilities through the use of DCOM over MS-RPC.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

By enabling the Unauthenticated DCOM SystemActivation/RemoteActivation traffic option, Unauthenticated MS-RPC traffic is blocked.

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 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Unauthenticated DCOM SystemActivation/RemoteActivation traffic protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  DCE-RPC Enforcement Violation.
Attack Information:  DCOM BIND request with no authentication

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