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Preemptive Protection against Microsoft XML Uninitialized Memory Corruption (MS12-043; CVE-2012-1889)

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Check Point Reference: CPAI-2012-308
Date Published:
Preemptive Since:
Severity:
Source: Microsoft Security Bulletin MS12-043
Industry Reference(s): CVE-2012-1889
Protection Provided by: Security Gateway
  • R75
  • R71
  • R70
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
Windows XP Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista Service Pack 2
Windows Vista x64 Edition Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft XML Core Services.
Update/Patch Available
Apply patches from: MS12-043
Vulnerability Details
The vulnerability is caused due to a memory corruption when MSXML Core Services attempts to access an object in memory that has not been initialized. A remote attacker may exploit this vulnerability by enticing a target user to view a specially crafted web page. Successful exploitation could allow an attacker to execute arbitrary code on the target system, in the security context of the logged on user.

Protection Overview
This protection will detect and block attempts to exploit this vulnerability.No update is required to address this vulnerabilityUsers are protected against this vulnerability if the Microsoft XML Core Services Remote Code Execution (KB2719615) protection found in the Protection section of CPAI-2012-271 has been applied.

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

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Microsoft XML Core Services Remote Code Execution (KB2719615) protection using the Search tool and Edit the protection's settings.
  2. 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 Client Enforcement Violation
Attack Information: Microsoft XML Core Services Remote Code Execution (KB2719615)

IPS-1 NGX R65 & IPS-1

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 > Badfiles , and select the ActiveX Parser protection group.
  3. Click "Microsoft XML Core Services Remote Code Execution".
  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: Badfiles ActiveX class in HTML file Alert/Filter.
Description: "Microsoft XML Core Services Remote Code Execution".