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I far prefer the tried and true:
use CGI qw(:standard); # Time passes open(IN, param("input_file")); # and do the rest of the apparently innocuous program
The proper usage of this handy command runner I leave to your imagination, a close read of open's semantics, and a reminder that if you know how to do a URI encoding, you can put pipes etc into the filename.

Yes. This is a warning about a basic security mistake that you may be making without realizing it...


In reply to Re (tilly) 1: Run arbitrary UNIX commands on webserver without telnet by tilly
in thread Run arbitrary UNIX commands on webserver without telnet by dmmiller2k

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