As an example, you'd not be burned by the "caret in the shell" problem if you just avoid sending any user input anywhere near a shell! As soon as you are looking for specific "bad characters", you've already lost the game. The shell is just too durn flexible. {grin}
-- Randal L. Schwartz, Perl hacker
In reply to RE: Perl, CGI, and Security
by merlyn
in thread Perl, CGI, and Security
by Ovid
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