Check Point Advisories

Microsoft Active Directory Federation Services Code Execution (MS09-070; CVE-2009-2509)

Check Point Reference: CPAI-2009-251
Date Published: 8 Dec 2009
Severity: High
Last Updated: Tuesday 08 December, 2009
Source:
Industry Reference:CVE-2009-2509
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description 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 code execution vulnerability has been discovered in implementations of Active Directory Federation Services (ADFS). 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 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 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Active Directory Federation Services Code Execution (MS09-070) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

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

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