This is an exploit for the Poptop negative read overflow. This will work against versions prior to 1.1.3-b3 and 1.1.3-20030409, but I currently do not have a good way to detect Poptop versions. The server will by default only allow 4 concurrent manager processes (what we run our code in), so you could have a max of 4 shells at once. Using the current method of exploitation, our socket will be closed before we have the ability to run code, preventing the use of Findsock.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
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