OSEC

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From: Michael Dana-TM (Michael.Danatelus.com)
Date: Fri Feb 15 2002 - 15:27:18 CST

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    From what I can see of WinCE it was designed with mobility/portability in
    mind (obviously), and security falls very far behind on these devices.
    That's not to say that they can not be used in a secure fashion, but I find
    configuring them for these types of requirements/environments might prove a
    little difficult on occasion. For one, I've yet to find a decent SSH client
    for WinCE. I've seen one, but to the best of my knowlege it still only
    supports SSH1. I'm going to make an assumption and say you are probably
    going to run Terminal Service client or possibly Citrix, at least on the
    WYSE, and possibly some sort of mobile e-mail and such for the handhelds.
    We've been looking into remote access for our users here, to mail and such,
    and have been looking into quite a few VPN's. Cisco does offer a WinCE
    client I'm fairly certain, but I don't recall if any of the others (Shiva,
    etc..) do, although I'd be willing to bet that they do offer these types of
    clients, which in my opinion would be a minimum requirement for any sort of
    remote connectivity from a handheld. Especially if those clients will be
    connecting over any sort of wireless medium. Unless I've been a complete
    idiot (which is completely possible), I haven't been able to connect to any
    Terminal Servers using the PocketPC Terminal Service client. All the
    Terminal Servers in my environment are running with the High encryption
    mode, so I'm assuming that the PocketPC TS client doesn't support 128-bit
    encryption. I'm not certain if that is the case with Windows CE in general,
    or just the PocketPC client that was released recently. Overall, the only
    type of exploit I could imagine in that type of attack would be a
    man-in-the-middle type of attack. If anyone else has any other ideas, I'd
    be interested as well.

    --MikeD

    -----Original Message-----
    From: Bryan Smith [mailto:bsmithci.atlantic-beach.fl.us]
    Sent: February 15, 2002 12:25 PM
    To: focus-mssecurityfocus.com
    Subject: Windows CE

    I review these pages on at least a weekly basis.
    Unfortunately (or maybe fortunately) I do not find
    many items concerning Windows CE. Is this
    because it is not highly scrutinized like other MSFT
    products or is it that there is actually one secure
    MSFT product? I have some WYSE win
    terminals and a few handheld pc's on CE that are
    connected to the system daily. The pressure to
    increase the use of these is mounting greatly but
    I have not been able to determine the security risks
    involved if any and am concerned about this.