Check Point Advisories

Internet Explorer Drag and Drop Elevation of Privilege (MS04-038; CVE-2004-0839)

Check Point Reference: CPAI-2009-275
Date Published: 13 Dec 2009
Severity: High
Last Updated: Sunday 13 December, 2009
Source:
Industry Reference:CVE-2004-0839
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description Microsoft Internet Explorer provides a number of ways to represent remote or local content. One of it's more powerful features is the Web folder view. The Web folder provides easy access to files located on a web server. A vulnerability exists in the way Internet Explorer uses the web folder view for a local resource. When a local resource is specified via the "shell:" scheme as a "folder" property for a web folder anchor, Internet Explorer allows dropping a file from a remote source onto the local folder without any warnings. This can be used to copy an arbitrary binary to the user's startup folder without the download warning dialog and executing the binary on the next logon. The vulnerable application will not exhibit any unusual behavior during or after a successful attack. A file will be copied from the Internet zone to the local file system without the system asking for confirmation from the 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 / R71 / R70

  1. In the IPS tab, click Protections and find the Internet Explorer Drag and Drop Elevation of Privilege (MS04-038) 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:  Web Client Enforcement Violation.
Attack Information:  Microsoft Internet Explorer drag and drop elevation of privilege (MS04-038)

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