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Update Protection against Microsoft Windows Kernel TCP/IP ICMP Vulnerability (MS08-001)

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Check Point Reference: CPAI-2008-004
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS08-001
Industry Reference(s): CVE-2007-0066
Protection Provided by: VPN-1
  • NGX R65
  • NGX R62
  • NGX R61
  • NGX R60
  • NG with Application Intelligence R55
VSX
  • NGX
InterSpect
  • NGX
IPS-1
  • IPS-1
Who is Vulnerable?
Microsoft Windows 2000 SP4
Microsoft Windows XP SP2
Microsoft Windows XP Professional x64 Edition
Microsoft Windows XP Professional x64 Edition SP2
Microsoft Windows Server 2003 SP1/SP2
Microsoft Windows Server 2003 x64 Edition
Microsoft Windows Server 2003 SP1/SP2 for Itanium-based Systems
Vulnerability Description
A denial of service vulnerability exists in Windows TCP/IP. A remote attacker can exploit the vulnerability by sending a specially crafted ICMP packet to a computer over the network. An attacker who successfully exploited this vulnerability could cause a denial of service on the affected system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS08-001
Vulnerability Details
This vulnerability is due to an error in the way Windows TCP/IP stack handles specially crafted ICMP packets. A remote attacker could exploit this issue via specially crafted ICMP packets sent to the vulnerable interface. Successful exploitation of this vulnerability could allow a denial of service on the affected system.

Protection Overview
By enabling this protection, SmartDefense will detect and block any malicious ICMP packet attempting to exploit this vulnerability.

In order for the protection to be activated, update your VPN-1/InterSpect/Connectra/IPS-1 product to the latest SmartDefense update. For information on how to update 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.

VPN-1 NGX R65 & R62

How Can I Protect My Network?
1. In the SmartDefense tab, click Network Security > IP and ICMP.
2. Select the following protection:

Block Fragmented ICMP Router Advertisement (MS08-001)

3. In the configuration pane, under Settings > Mode, check Active.
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: ICMP Enforcement Violation
Attack Information: Fragmented ICMP router advertisement detected (MS08-001)

VPN-1 NGX R61 & R60

How Can I Protect My Network?
1. In the SmartDefense tab, click Network Security > IP and ICMP.
2. Select the following protection:

Block Fragmented ICMP Router Advertisement (MS08-001)

3. In the configuration pane, under Settings > Mode, check Active.
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: ICMP Enforcement Violation
Attack Information: Fragmented ICMP router advertisement detected (MS08-001)

VPN-1 NG with Application Intelligence R55

How Can I Protect My Network?
1. In the SmartDefense tree, click Network Security > IP and ICMP.
2. Select the following protection:

Block Fragmented ICMP Router Advertisement (MS08-001)

3. Install policy on all modules.

How Do I Know if My Network is Under Attack?
Rule #99963 will appear on the SmartView Tracker.

VPN-1 VSX NGX

How Can I Protect My Network?
1. In the SmartDefense tree, click Network Security > IP and ICMP.
2. Select the following protection:

Block Fragmented ICMP Router Advertisement (MS08-001)

3. Install policy on all modules.

How Do I Know if My Network is Under Attack?
Rule #99963 will appear on the SmartView Tracker.

InterSpect NGX

How Can I Protect My Network?
1. In the left pane, select Profiles > Default Protection and select the SmartDefense page of the profile.
2. In the SmartDefense tree, click Network Security > IP and ICMP.
3. Select the following protection:

Block Fragmented ICMP Router Advertisement (MS08-001)

4. Install security policy on all modules.

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

Attack Name: ICMP Enforcement Violation
Attack Information: Fragmented ICMP router advertisement detected (MS08-001) 

IPS-1

How Can I Protect My Network?
1. In the IPS-1 Policy Manager, under the Protection tab, click Protection Settings > ICMP > Bad ICMP Packets.
2. Select the following protection:

Bad ICMP Packet

3. In the Protection Settings pane, under Settings check Active or Active upon Confidence.
4. Install policy.

How Do I Know if My Network is Under Attack?
The Alert Browser will log the following entries:

Protection Group: Bad ICMP Packets
Protection Name: ICMP Router Advertisement Structure Mismatch