[UNIX] Credit Card Data Disclosure in CitrusDB

From: SecuriTeam (support_at_securiteam.com)
Date: 02/13/05

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Date: 13 Feb 2005 12:34:51 +0200

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      Credit Card Data Disclosure in CitrusDB
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.citrusdb.org/> CitrusDB is "an open source customer database
    application that uses PHP and a database backend (currently MySQL) to keep
    track of customer information, services, products, billing, and customer
    service information".

    CitrusDB uses a textfile to temporarily store credit card information.
    This textfile is located in the web tree via a static URL and thus
    accessible to third parties. It also isn't deleted after processing
    resulting in a big window of opportunity for an attacker..

    DETAILS

    Vulnerable Systems:
     * CitrusDB version 0.3.5 and prior

    Immune Systems:
     * CitrusDB version 0.3.6 or newer

    The URL to the textfile "<path to CitrusDB>/io/newfile.txt" is stated in
    the files "tools/uploadcc.php" and "tools/importcc.php". The <path to
    CitrusDB> is always known while surfing. Therefor also "newfile.txt"
    containing the credit card data can be easily found and accessed. This
    leads to disclosure of the confidential data stored in that file.

    Workaround:
    Either deny access to the file using access restriction features of your
    webserver or change CitrusDB to use a file outside document root and not
    accessible via HTTP.

    Fix:
    Update to CitrusDB version 0.3.6 or higher and set the $path_to_ccfile in
    the configuration to a path not accessible via HTTP.

    ADDITIONAL INFORMATION

    The information has been provided by
    <mailto:dornseif@informatik.rwth-aachen.de> Maximillian Dornseif.
    The original article can be found at:
    <http://tsyklon.informatik.rwth-aachen.de/redteam/rt-sa-2005-001>
    http://tsyklon.informatik.rwth-aachen.de/redteam/rt-sa-2005-001

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