Technical Description

A vulnerability has been identified in Microsoft Internet Explorer, which could be exploited by remote attackers to take complete control of an affected system. This flaw is due to an error in the Drag and Drop functionality that fails to properly validate certain Dynamic HTML (DHTML) events and methods provided by the DHTML Object Model, which could be exploited by malicious web sites to bypass security restrictions and place arbitrary executables on a vulnerable system by tricking a user into clicking and dragging an object from a specially crafted browser window to another window pointing to local resources [...]

Solution

VUPEN Security is not aware of any vendor-supplied patch.
Workarounds
Disable Active Scripting in the Internet and Local intranet security zones :
- In Internet Explorer, click Internet Options on the Tools menu
- Click the Security tab
- Click Internet, and then click Custom Level
- Under Settings, in the Scripting section, under Active Scripting, click Disable, and then click OK
- Click Local intranet, and then click Custom Level
- Under Settings, in the Scripting section, under Active Scripting, click Disable, and then click OK
- If you are prompted to confirm that you want to change these settings, click Yes
- Click OK to return to Internet Explorer
Note : Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly.

Credits

Vulnerability reported by Matthew Murphy

ChangeLog

2006-02-13 : Initial release

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