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Re^2: Perl calling Linux commands

by tmharish (Friar)
on Mar 08, 2013 at 13:50 UTC ( #1022423=note: print w/ replies, xml ) Need Help??


in reply to Re: Perl calling Linux commands
in thread Perl calling Linux commands

Additionally you need to look at tainted variables.

Its a really bad idea to take user input and throw it to system ( or a database ) - What if the username input was:

" || ls && 0 &&

Of course you could replace ls with whatever exciting nefarious command you choose but thats the idea ...


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