MSN Gaming Heartbeat Component Buffer Overflow

["NGSSoftware Insight Security Research" <nisr@xxxxxxxxxxxxxxx>]

John Heasman of NGSSoftware has discovered a high risk 
vulnerability in the Heartbeat component used on MSN related 
gaming sites.

This vulnerability has now been fixed by Microsoft, and a fix 
can be downloaded from the Microsoft Security website:

http://www.microsoft.com/technet/security/bulletin/MS04-038.mspx

NGSSoftware are going to withhold details of this flaw for three 
months. Full details will be published on the 19th of January 2005.  
This three month window will allow users of MSN gaming related 
sites the time needed to obtain the patch before the details are 
released to the general public.  This reflects NGSSoftware's new 
approach to responsible disclosure.

This vulnerability, including many others identified and fixed by 
Microsoft in this month's Cumulative Security Update, can be 
detected by Typhon III - NGSSoftware's advanced vulnerability 
scanner.  Typhon III will rapidly detect hosts on your network 
susceptible to these vulnerabilities and enable your organisation 
to manage risk. For existing Typhon III customers, please use the 
Typhon III update option to include these new vulnerability checks.


NGSSoftware Insight Security Research
http://www.databasesecurity.com/
http://www.nextgenss.com/
+44(0)208 401 0070