full-disclosure - Re: XSS vulnerabilities via errors at requests to DB

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Date: Sat, 19 Dec 2009 11:19:26 -0800
From: Michal Zalewski <lcamtuf@...edump.cx>
To: MustLive <mustlive@...security.com.ua>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: XSS vulnerabilities via errors at requests to
	DB

Dear MustLive,

> Earlier I wrote already about XSS vulnerabilities at 404 pages
> (http://lists.grok.org.uk/pipermail/full-disclosure/2009-November/071664.html).
> And already at 2008 I planned to tell about one interesting and widespread
> vector of XSS attacks - it's the attacks via errors at requests to DB.

Thank you this excellent research!

Given your contributions in this area, I was hoping you could offer me
some advice: I recently stumbled upon an XSS flaw on a page with
vaguely turquoise background. I am not sure whether to classify this
as a separate class of a web vulnerability, or merely a novel
extension of well-established XSS attacks against sky blue targets?

Sincerely,
/mz

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