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Update Protection against Microsoft Windows Internet Printing Service Remote Code Execution Vulnerability (MS08-062)

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Check Point Reference: CPAI-2008-154
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS08-062
Industry Reference(s): CVE-2008-1446
Protection Provided by: VPN-1
  • NGX R65
  • NGX R62
  • NGX R61
  • NGX R60
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Microsoft Windows 2000 SP4
Windows XP SP2
Windows XP SP3
Windows XP Professional x64 Edition
Windows XP Professional x64 Edition SP2
Windows Server 2003 SP1
Windows Server 2003 SP2
Windows Server 2003 x64 Edition
Windows Server 2003 x64 Edition SP2
Windows Server 2003 with SP1 (Itanium)
Windows Server 2003 with SP2 (Itanium)
Windows Vista
Windows Vista SP1
Windows Vista x64 Edition
Windows Vista x64 Edition SP1
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for x64-based Systems
Windows Server 2008 (Itanium)
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft Windows internet printing service. The internet printing service is a component that allows printing using a remote printer in the network. A remote attacker may exploit this issue to execute arbitrary code on a vulnerable system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS08-062
Vulnerability Details
The vulnerability is due to a flaw in the Microsoft Internet Printing Protocol (IPP) implementation on Windows servers running IIS. A remote attacker could exploit this flaw via a specially crafted Remote Procedure Call (RPC) request. Successful exploitation of this issue may allow the attacker to execute arbitrary code on an affected system.

Protection Overview
By enabling this protection, SmartDefense will detect and block malformed RPC requests sent from the printing server.

In order for the protection to be activated, update your VPN-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 Application Intelligence > MS-RPC > MS-RPC over CIFS > Block Windows Internet Printing Service Buffer Overflow (MS08-062).
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: MS-RPC Enforcement Violation
Attack Information: Windows internet printing service buffer overflow (MS08-062)

VPN-1 NGX R61 & R60

How Can I Protect My Network?
1. In the SmartDefense tree, click Application Intelligence >  MS-RPC > MS-RPC over CIFS.
2. Select the following protection:

Block Windows Internet Printing Service Buffer Overflow (MS08-062)

3. 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: MS-RPC Enforcement Violation
Attack Information: Windows internet printing service buffer overflow (MS08-062)

VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > MS-RPC > MS-RPC over CIFS > Block Windows Internet Printing Service Buffer Overflow (MS08-062).
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: MS-RPC Enforcement Violation
Attack Information: Windows internet printing service buffer overflow (MS08-062)

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 Application Intelligence > MS-RPC, and select the MSRPC Print Spooler protection group.  
3. Click MSRPC Large pcbNeeded value in SPOOLSS EnumJobs response (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: msrpc_ms05043
Description: large_pcbneeded_value_alert