Check Point Advisories

Microsoft Help Workshop CNT Help Contents Buffer Overflow (CVE-2007-0352)

Check Point Reference: CPAI-2007-223
Date Published: 19 Jul 2010
Severity: Critical
Last Updated: Sunday 14 January, 2018
Source:
Industry Reference:CVE-2007-0352
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The Microsoft Help Workshop is a development tool to create Help (HLP) files for Windows based applications. Help Workshop uses project (HPJ) and content (CNT) files, along with other resource to compile the final help file that can be viewed using the Microsoft Windows Help program. A buffer overflow vulnerability has been found in the Microsoft Help Workshop product. The flaw is created by insufficient boundary checks of strings supplied in Help Content (CNT) files. A malicious user may construct a CNT file that will result in the diversion of the process flow of the vulnerable application. In an attack case where code injection is not successful, the affected application that is parsing the malicious CNT file may terminate abnormally. In a more sophisticated attack where code injection is successful, the behavior of the target host 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 currently logged in 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 Help Workshop CNT Help Contents Buffer Overflow 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 Help Workshop CNT Help Contents Buffer Overflow

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