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Date: Sat, 15 Jan 2022 22:49:41 -0500
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Win32.MarsStealer Web Panel / Unauthenticated Remote
	Persistent XSS

Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source:
https://malvuln.com/advisory/8abb41f6e7010d70c90f65fd9a740faa_B.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Win32.MarsStealer Web Panel
Vulnerability: Unauthenticated Remote Persistent XSS
Description: The Mars-Stealer web interface has a "Marker Rules" component
area. Third-party attackers who can reach the Mars-Stealer server can send
HTTP POST requests injecting arbitrary JS code into the "mars" MySql
database in the markerrule table. This results in a persistent cross site
scripting condition, executing client side code in the security context of
the currently logged on user anytime the WebUI is accessed. This can result
in PHPSESSID token and data theft or GEO location disclosure of the user
accessing the Mars-Stealer WebUI.

PHP code snippet "markeractions.php"

require_once '../../db.php';

switch (trim($_POST['func'])) {
case "markeradd":
markeradd();
break;
case "markerdelete":
markerdelete();
break;
case "markeractive":
markeractive();
break;
}

Type: WebUI
MD5: 8abb41f6e7010d70c90f65fd9a740faa (MarsStealer_Menu.exe)
MD5: 03c2c5cb3dba09bfa479fd5c50b5a2cf (dashboard.php)
Vuln ID: MVID-2022-0452
Disclosure: 01/15/2022

Exploit/PoC:
curl http://MARS_STEALER/mars/panel/includes/markeractions.php --data
"func=markeradd&name=/%3C%3Cscript%3Ealert(document.cookie)%3C/script%3E&marker=
WWW.MALVULN.com"

Disclaimer: The information contained within this advisory is supplied
"as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author. The author is not responsible for any misuse of the information
contained herein and accepts no responsibility for any damage caused by the
use or misuse of this information. The author prohibits any malicious use
of security related information or exploits by the author or elsewhere. Do
not attempt to download Malware samples. The author of this website takes
no responsibility for any kind of damages occurring from improper Malware
handling or the downloading of ANY Malware mentioned on this website or
elsewhere. All content Copyright (c) Malvuln.com (TM).

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