pen-testing an information kiosk (breaking out of the application)

[<bugtraq () oechslin net>]

I have to pen-test information kiosk 

It is a networked PC with an application which is supposed to run all the 
time and from which it is not possible to exit (other than shuting down 
the machine). The application starts when an operator logs in with a 
given username and password. I haven't been able to put my hands on the 
machine but I'm looking for information to prepare the pen-test.

Except the standard networked-based pen-testing I have to find out if it 
is possible to break out of the application and access other applications.

I will also try to boot from another device, but the bios is supposed to 
be password protected.

Does anybody know of tools and vulnerabilities specific to this scenario?

 thanks,

  Philippe
 

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