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Re: Re: Trojan Horse? (taint mode)

by quinkan (Monk)
on Nov 26, 2001 at 05:33 UTC ( #127457=note: print w/ replies, xml ) Need Help??

in reply to Re: Trojan Horse? (taint mode)
in thread Trojan Horse? (taint mode)

The only way this is going to come and cause us grief is if we eval $a ?

But pause to consider that someone playing with your CGI script has managed to get output redirected to an executable shell script.... Which is often the aim of a malicious hack. If you don't want naughty words appearing in, for example, your system initialisation scripts, it might be a good idea to untaint everything input.

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