bugtraq - Re: Security Advisory for ALL forum services with client-set images

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Message-ID: <20041223085040.GO3332@delusion.wronline.net>
Date: Thu, 23 Dec 2004 09:50:40 +0100
From: Stefan Paletta <stefanp@...al1.com>
To: bugtraq@...urityfocus.com
Subject: Re: Security Advisory for ALL forum services with client-set images


James Bandara wrote/schrieb/scripsit:
>To block this I suggest you edit your service to only accept links that 
>end in image formats for images before the querystring.

That doesn't really help ─ the attacker can send a HTTP redirect from an 
innocent-looking URL.

-Stefan
-- 
 junior guru   SP666-RIPE     JID:stefanp@...ber.de.cw.net    SMP@IRC