Check Point Advisories

Microsoft PowerPoint TxMasterStyle10Atom Processing Code Execution (MS08-051; CVE-2008-1455)

Check Point Reference: CPAI-2008-113
Date Published: 29 May 2008
Severity: Critical
Last Updated: Tuesday 12 August, 2008
Industry Reference:CVE-2008-1455
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description Microsoft PowerPoint is a popular presentation program. A remote code execution vulnerability has been identified in Microsoft PowerPoint. The vulnerability is due to a memory calculation error in Microsoft PowerPoint when parsing bullet list values in specially crafted PowerPoint files. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted PowerPoint file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.

Protection Overview

This protection will detect and block the transferring of malformed PowerPoint files over HTTP.

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 PowerPoint TxMasterStyle10Atom Processing Code Execution (MS08-051) 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 PowerPoint TxMasterStyle10Atom processing code execution (MS08-051)

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