bugtraq - RE: Bypassing of web filters by using ASCII

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Message-ID: <ED4D2B7262D0FF46B802B35FF362FE684E0F1E@lincoln.fairfax.phra.com>
Date: Fri, 23 Jun 2006 07:55:52 -0400
From: "James C. Slora Jr." <james.slora@...a.com>
To: <bugtraq@...urityfocus.com>
Subject: RE: Bypassing of web filters by using ASCII

Amit Klein wrote Thursday, June 22, 2006 3:47 AM

> So in order to exploit this in HTML over HTTP, the attacker needs to
either add/modify the Content-Type response header, or to add/modify the
META tag in the HTML page.

There are other ways that might carry a bigger injection threat:

Style sheet:
http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml
/reference/properties/charset_1.asp

Object property:
http://msdn.microsoft.com/library/default.asp?url=/workshop/author/dhtml
/reference/properties/charset.asp

By extension, it should also work for inline styles.