DreamBox DM800 Arbitrary File Download Vulnerability
  
  
Vendor: Dream Multimedia GmbH
Product web page: http://www.dream-multimedia-tv.de
Affected version: DM800 (may affect others version)
  
Summary: The Dreambox is a series of Linux-powered
DVB satellite, terrestrial and cable digital television
receivers (set-top box).
  
Desc: Dreambox suffers from a file download vulnerability
thru directory traversal with appending the '/' character
in the HTTP GET method of the affected host address. The
attacker can get to sensitive information like paid channel
keys, usernames, passwords, config and plug-ins info, etc.
 
By default, web application is running by root, so catch shadow is
very easy
  
Tested on:
 
Devicename: dm800
Enigma Version: 2009-12-24-master
Image Version:  Release 4.6.0 2009-12-24
Frontprozessor Version: VNone
Webinterface Version:   1.6rc3
 
  
Vulnerability discovered by: ShellVision Designer@ShellVision.com<script type="text/javascript">
/* <![CDATA[ */
(function(){try{var s,a,i,j,r,c,l=document.getElementById("__cf_email__");a=l.className;if(a){s='';r=parseInt(a.substr(0,2),16);for(j=2;a.length-j;j+=2){c=parseInt(a.substr(j,2),16)^r;s+=String.fromCharCode(c);}s=document.createTextNode(s);l.parentNode.replaceChild(s,l);}}catch(e){}})();
/* ]]> */
</script>
ShellVision - www.shellvision.com
  
 20 Jun 2011
  
  
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http://target.com/file?file=/etc/shadow