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Update Protection against Microsoft Active Directory Federation Services Code Execution Vulnerability (MS09-070)

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Check Point Reference: CPAI-2009-251
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS09-070
Industry Reference(s): CVE-2009-2509
Protection Provided by: Security Gateway
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Windows Server 2003 for 32-bit Systems S2
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for x64-based Systems
Vulnerability Description
A remote code execution vulnerability has been discovered in implementations of Active Directory Federation Services (ADFS). Active Directory provides central authentication and authorization services for Windows-based systems. Active Directory Federation Services (ADFS) helps the client to use single sign-on by securely sharing digital identity and entitlement rights across security and enterprise boundaries. A remote attacker can exploit the vulnerability to take complete control of an affected system remotely.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-070
Vulnerability Details
The vulnerability is due to an error in the ADFS that fails to correctly validate request headers submitted by authenticated clients of an ADFS enabled Web server. A remote attacker may trigger this vulnerability by sending a specially crafted HTTP request to an ADFS-enabled Web server. Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code on a vulnerable system.

Protection Overview
This protection detects and blocks specially crafted HTTP requests sent to the vulnerable server.

In order for the protection to be activated, update your Security Gateway/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense, go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R70

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Application Intelligence > Web Servers.
2. In the right pane, double-click the Microsoft Active Directory Federation Services Code Execution (MS09-070) protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings.
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Web Server Enforcement Violation
Attack Information: Microsoft Active Directory federation services code execution (MS09-070)

VPN-1 NGX R65 & VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > Web Servers > Microsoft Active Directory Federation Services Code Execution (MS09-070).
2. In the configuration pane, under Settings > Mode, check Active.
3. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Web Server Enforcement Violation
Attack Information: Microsoft Active Directory federation services code execution (MS09-070)

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?

1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Web Intelligence > WWW 2, and select the IIS Attacks protection group.
3. Click Active Directory Federation Services Remote Code Execution (MS09-070) (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: Attacks against IIS web servers
Description: Active Directory Federation Services Remote Code Execution (MS09-070)