RE: Simple question about ActiveX and IE

From: Menashe Eliezer (menasheat_private)
Date: Tue Mar 19 2002 - 18:01:48 PST

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    You are right.  There's NO browser sandbox for ActiveX controls.
    We know the Porn Dialers problem.  Our proactive applications blocked them
    based on our own sandbox implementation.
    Only unsigned ActiveX controls can be limited.
    End users can only approve ActiveX controls signed by a specific
    signer, if the browser's security setting isn't low.
    Letting end users make security decisions isn't a good idea.
    You can ask your boss to try the following demo:
    www.finjan.com/mcrc/activex.cfm
    
    I hope it helps.
    
    Regards,
    Menashe Eliezer
    Manager, Malicious Code Research Center
    Web: http://www.finjan.com/mcrc
    
    
    -----Original Message-----
    From: Jonathan Mole [mailto:jonathanat_private]
    Sent: Tuesday, March 19, 2002 2:52 PM
    To: vuln-devat_private
    Subject: Simple question about ActiveX and IE
    
    
    This is probably a very simple question, with a very simple answer.
    I am running windows 2000 with all the latest service patches. We have
    written an interface for Internet terminals (based on the IE6 libraries), we
    need to allow ActiveX and ActiveX downloading, as the users could be going
    to any page on the web.
    My boss is sure that there is a way to allow ActiveX, but to allow it
    absolutely no access to other files on the system? Could somebody tell me if
    this is true or not, and if so, what group policies/registry settings do I
    need to change. I have always believed that there was no sandbox for ActiveX
    controls, Remember seeing one that checks for various files on your system.
    The main problem we have is due to Porn Dialers. Once the ActiveX control
    has run, they add a new connection to dialup networking.
    
    Thanks in advance,
                     Jonathan Molando
    



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