Beefy Boxes and Bandwidth Generously Provided by pair Networks
Do you know where your variables are?
 
PerlMonks  

CGI Security and the null byte problem

by Ovid (Cardinal)
on Oct 26, 2000 at 07:17 UTC ( #38548=perlmeditation: print w/replies, xml ) Need Help??

Help for this page

Select Code to Download


  1. or download this
    #!C:/perl/bin/perl.exe -wT
    use strict;
    ...
          $cgi->start_html,
          $cgi->pre( $userInfo ),
          $cgi->end_html;
    
  2. or download this
    http://localhost/cgi-bin/insecure.cgi?file=insecure.cgi%00loser!
    

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: perlmeditation [id://38548]
Approved by root
help
Chatterbox?
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others contemplating the Monastery: (3)
As of 2017-12-13 00:30 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    What programming language do you hate the most?




















    Results (342 votes). Check out past polls.

    Notices?