[NT] Buffer Overflow in MSN Messenger

From: SecuriTeam (support_at_securiteam.com)
Date: 07/20/03

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    To: list@securiteam.com
Date: 20 Jul 2003 19:44:15 +0200

    The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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      Buffer Overflow in MSN Messenger
    ------------------------------------------------------------------------

    SUMMARY

    MSN Messenger is "one of the most famous messengers, due to the
    interesting services that it offers". Version 6.0 comes with many new
    services and features, one of these is a small viewer box that displays a
    preview picture of the file being received before it actually starts
    receiving/sending it (Whenever the file being received is a picture). This
    preview has been found to contain a vulnerability whenever an incomplete
    picture is being received/sent.

    DETAILS

    Vulnerable systems:
     * MSN Messenger version 6.0 build 6.0.0501

    Immune systems:
     * MSN Messenger version 6.0 build 6.0.0602

    An example incomplete picture can be downloaded from:
     <http://members.lycos.co.uk/bnsecurity/01/>
    http://members.lycos.co.uk/bnsecurity/01/

    Vendor response:
    "We suspect that we have already fixed this bug as early as build 501 as
    your report is very similar to a bug that was resolved with that build,
    however, we would like your assistance to verify this."

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:b_naamneh@hotmail.com> Bahaa
    Naamneh.

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