Vulnerability for demo

["¯`·._The Sun_.·´¯" <sun () vakharia info>]

Hi,
I need to demonstrate a simple exploitation of a vulnerability (the preferred target is a Windows 2003 server) using 
Metasploit  or anything else which is freely available.

The three constraints I have:
1. The vulnerability should be fairly new (should be a Year 2008 vulnerability - prefer if it is in the last three 
months).
2. Exploit should be readily available (like in Metasploit)
3. Need to get system level access on target.
2. Should not be a client side vulnerability (e.g. vulnerabilities in Internet Explorer are ruled out)
3. Snort should be able to pick that exploit (Snort will be updated before the attack).

Can someone help me pick such a vulnerability?

Thanks.




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