Check Point Advisories

Microsoft Windows Netlogon RPC Null dereference Denial of Service (MS10-101; CVE-2010-2742)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-338
Date Published:	14 Dec 2010
Severity:	High
Last Updated:	Thursday 05 September, 2024
Source:
Industry Reference:	CVE-2010-2742
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	The Netlogon Remote Protocol is a remote procedure call (RPC) interface that is used for user and machine authentication on domain-based networks. A remote denial of service vulnerability has been discovered in implementations of the Netlogon RPC Service on affected versions of Windows Server. The vulnerability is due to an error in the Netlogon RPC Service that fails to properly validate user-provided data. A remote attacker may exploit this issue by sending a specially crafted RPC packet to the Netlogon RPC Service interface. A remote attacker who successfully exploited this vulnerability could cause affected Windows Servers to restart.

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 R81 / R80 / R77 / R75 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft Windows Netlogon RPC Null dereference Denial of Service (MS10-101) 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: MS-RPC Enforcement Violation.
Attack Information: Microsoft Windows Netlogon RPC Null dereference Denial of Service (MS10-101)