Check Point Advisories

Microsoft PowerPoint TextHeader Atom Memory Corruption (MS11-036; CVE-2011-1269)

Check Point Reference: CPAI-2011-247
Date Published: 10 May 2011
Severity: High
Last Updated: Wednesday 29 June, 2011
Source:
Industry Reference:CVE-2011-1269
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description Microsoft PowerPoint is a popular graphics software for preparing slides and presentations. A remote code execution vulnerability has been identified in Microsoft PowerPoint. The vulnerability is caused when Microsoft PowerPoint fails to properly handle memory during function calls while parsing a specially crafted PowerPoint file. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted PowerPoint file with a malformed TextHeader Atom within it. Successful exploitation of this issue may allow execution of arbitrary code on a vulnerable 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 TextHeader Atom Memory Corruption (MS11-036) 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 TextHeader Atom memory corruption (MS11-036)

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