Check Point Advisories

Microsoft Excel Malformed Graphic Code Execution (MS06-012; CVE-2006-0030)

Check Point Reference: CPAI-2006-204
Date Published: 23 Feb 2010
Severity: High
Last Updated: Tuesday 19 January, 2016
Source:
Industry Reference:CVE-2006-0030
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Microsoft Excel is a spreadsheet application released by the Microsoft Corporation. Its native file format is the Binary Interchange File Format (BIFF), which is available in several versions. An Excel file contains information about the various spreadsheets that form an Excel workbook, the data and macros that populate spreadsheet cells, and so on. The commonly used file extension of Excel file is ".xls". There exists a code execution vulnerability in Microsoft Excel. The vulnerability is caused by an improper sanitization of excel graphic records in Excel spreadsheet files. An attacker may exploit this vulnerability by enticing a user to open a crafted Excel file, which will enable the attacker to inject and execute arbitrary code within the security context of the target user. In case of an attack where code injection is not successful, all instances of the vulnerable Microsoft Excel application will terminate. This can potentially lead to a loss of data. In case of an attack where code injection and execution is successful, the behavior of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the current user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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

  1. In the IPS tab, click Protections and find the Microsoft Excel Malformed Graphic Code Execution (MS06-012) 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:  Content Protection Violation.
Attack Information:  Microsoft Excel malformed graphic code execution (MS06-012)

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