Check Point Advisories

Microsoft PowerPoint RecolorInfo Atom Buffer Overrun (MS11-036; CVE-2011-1270)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-248
Date Published:	11 May 2011
Severity:	High
Last Updated:	Tuesday 21 October, 2014
Source:
Industry Reference:	CVE-2011-1270
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 attacker could exploit this issue via a malformed PowerPoint file. 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 RecolorInfo 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

In the IPS tab, click Protections and find the Microsoft PowerPoint RecolorInfo Atom Buffer Overrun (MS11-036) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Content Protection Violation.
Attack Information: Microsoft PowerPoint recolorinfo atom buffer overrun (MS11-036)