27
Jan
2012

MozillaCTF 2012 – Interesting Lineage

This was a http post challenge. To solve it, you had to check the source of http://ocean.mozillactf.org/en-US/home. This would give you the URL of the form where you could submit the e-mail address of the person that referred you to spark. By using a tool to do http POSTs directly, you could submit POST data

csrfmiddlewaretoken=8aecdae525fb0cb91e1fcbe89c4b7a31&identifier=sdf@sdf.net

to http://ocean.mozillactf.org/en-US/m/boost2 and then submit POST data

csrfmiddlewaretoken=8aecdae525fb0cb91e1fcbe89c4b7a31&identifier=sdf@sdf.org

That would give you the flag: “Go team AnglerFish! You have absorbed the sparks of multiple parents!”

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