Remote DoS attack in Real Networks Real Server Vulnerability

   

Real Networks

Real Networks Real Server

Binary DOS

realdie.exe

Source of Binary DOS

realdie.zip


"with a 412 byte attack EVERY RealServer is vulnerable to this D.O.S attack"

USSR Advisory Code:   USSR-2000038

Release Date:
April 20, 2000

Systems Affected:
Real Networks Real Server 7 (linux or Windows)
Real Networks Real Server Pro (linux or Windows)
Real Networks Real Server Intranet (linux or Windows)
Real Networks Real Server Plus (linux or Windows)
Real Networks Real Server Basic (linux or Windows)
Real Networks Real Server G2 1.0

THE PROBLEM

The Ussr Labs team has recently discovered a memory problem in the RealServer 7 Server. 
What happens is, by preforming an attack with specially-malformed information to port 7070 
it will cause the proccess containg the services to stop responding.

The Exploit: It will take down the RealServer causing it to stop all streaming media brodcasts, making it non-functional, (untill Reboot)

Vendor Status:  
Uninformed of this security issue for the reason of previous reports of Real Networks user privacy invasion.  

Now comes to my mind this two pages: 

http://news.cnet.com/news/0-1005-200-1426571.html
http://news.cnet.com/news/0-1005-200-1435099.html?tag=st.cn.1.

SPECIAL NOTE: That we take no responsibility for this code it is for educational purposes only.

Vendor   Url: http://www.real.com
Program  Url: http://www.realnetworks.com/products/basicserverplus/index.html?src=home
Download Url: http://proforma.real.com/rn/servers/eval/index.html?src=home,srvpl_020400,srvntra

Related Links:

Underground Security Systems Research
http://www.ussrback.com

Greetings:
Eeye, Attrition, w00w00, beavuh, Rhino9, SecurityFocus.com, ADM, HNN, Technotronic and Wiretrip.

Copyright (c) 1999-2000 Underground Security Systems Research.
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The information within this paper may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. 
There are NO warranties with regard to this information. In no event shall the author be liable for any damages whatsoever arising out of or 
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