[NT] BadBlue XSS/Information Disclosure Vulnerabilities

From: support@securiteam.com
Date: 11/24/02

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To: list@securiteam.com
Date: 24 Nov 2002 22:17:10 +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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      BadBlue XSS/Information Disclosure Vulnerabilities
    ------------------------------------------------------------------------

    SUMMARY

    BadBlue is a P2P/Web server offered for Microsoft Windows operating
    systems by Working Resources. It has a bad security record -- file
    disclosure, remote administration, denials of service, buffer overflows,
    directory traversals, and more cross-site scripting flaws than Matthew
    Murphy cares to count. We can add information disclosure to that list, and
    add a new XSS hole to the count.

    DETAILS

    soinfo.php - Massive Information Leak
    If running with PHP enabled, the BadBlue server's default soinfo.php
    script can be made to cough up substantial amounts of information,
    including ODBC passwords:

    -- soinfo.php --
    <?php
        phpinfo();
    ?>
    -- soinfo.php --

    Yielding this data to an attacker, in combination with access to the
    database allows for a compromise of the database.

    Cross-Site Scripting in ext.dll Search Page -- Again
    Matthew has discovered another flaw in BadBlue's search engine allowing
    for cross-site scripting:

    ');alert(document.cookie);//
    ')" style="left:expression(eval('alert(document.cookie)'))">

    Either of these two queries will execute the alert(document.cookie)
    command.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:mattmurphy@kc.rr.com>
    Matthew Murphy.

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