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UNIRAS Brief - 290/04 - REAL One Player code execution through malformed media file



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 290/04 dated 14.06.04  Time: 15:15  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====

REAL One Player code execution through malformed media file


Detail
====== 


By crafting a malformed .RA, .RM, .RV or .RMJ file it possible to cause heap corruption 
that can lead to execution of arbitrary code.  By forcing a browser or enticing a user 
to a website containing such a file, arbitrary attacker supplied code could be executed 
on the target machine. This code will run in the security context of the logged on user. 
Another attacker vector is via an e-mail attachment. NGSResearchers have created reliable 
exploits to take advantage of these issues. Due to the ease of exploitation these 
vulnerabilities should be considered as high risk and customers are urged to update their 
players as soon as is possible.





NGSSoftware Insight Security Research Advisory

Name: REAL One Player code execution through malformed media file 
Systems Affected:  RealOne Player (English), RealOne Player v2 (all languages), 
RealPlayer 10 (English, German and Japanese), RealPlayer 8 (all languages), 
RealPlayer Enterprise (all versions, standalone and "as configured" by the RealPlayer 
Enterprise Manager)
Severity: High
Vendor URL: http://www.real.com
Author: John Heasman [ john at ngssoftware.com ]
Date of Public Advisory: 11th June 2004
Advisory number: #NISR11062004
Advisory URL: http://www.nextgenss.com/advisories/realra.txt


Description
***********

RealOne and RealPlayer are the most widely used products for internet media delivery. 
There are currently in excess of 200 million users that use these products worldwide. 

Details
*******

By crafting a malformed .RA, .RM, .RV or .RMJ file it possible to cause heap corruption 
that can lead to execution of arbitrary code.  By forcing a browser or enticing a user 
to a website containing such a file, arbitrary attacker supplied code could be executed 
on the target machine. This code will run in the security context of the logged on user. 
Another attacker vector is via an e-mail attachment. NGSResearchers have created reliable 
exploits to take advantage of these issues. Due to the ease of exploitation these 
vulnerabilities should be considered as high risk and customers are urged to update their 
players as soon as is possible.

Fix Information
***************

For the various fix options available for different types of REAL products, NGS suggest visiting 
http://service.real.com/help/faq/security/040610_player/EN/ for detailed information.


About NGSSoftware
*****************

NGSSoftware design, research and develop intelligent, advanced application security 
assessment scanners. Based in the United Kingdom, NGSSoftware have offices in the 
South of London and the East Coast of Scotland. NGSSoftware's sister company NGSConsulting, 
offers best of breed security consulting services, specializing in application, host and 
network security assessments.

http://www.ngssoftware.com/

Telephone +44 208 401 0070
Fax +44 208 401 0076

enquiries@xxxxxxxxxxxxxxx




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UNIRAS wishes to acknowledge the contributions of NGSSoftware for the information 
contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
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Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

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and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>

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