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Re: [WEB SECURITY] Plain Old Webserver - The coolest firefox extension
From: ascii <ascii () katamail com>
Date: Mon, 12 Feb 2007 22:48:37 +0100

Billy Hoffman wrote:
All depends on in the request processing you apply the fix. Its
possible that URL Decoding hasn't occuried yet, whereby I can bypass
your filter pretty easily. Not to mention Unicode...

hehehe i was waiting for this : )

remember: this is funsec

the bypass for the filter is in the signature of the same mail

path = str_replace('../', '', path);

Francesco 'ascii' Ongaro

how can't you love funsec?

cause ..././..././..././..././ becomes ../../../../ since the replace is
applied only once. simple logic trick, no encoding at all

see you,
Francesco 'ascii' Ongaro

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