full-disclosure - TYPO3-SA-2010-020, TYPO3-SA-2010-022 explained

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Message-ID: <1293737869.5464.51.camel@muller>
Date: Thu, 30 Dec 2010 20:37:49 +0100
From: Luca Carettoni <luca.carettoni@...isoft.com>
To: full-disclosure@...ts.grok.org.uk
Subject: TYPO3-SA-2010-020, TYPO3-SA-2010-022 explained

Hello all,
As it's now fixed by the latest TYP03 security update (see
http://typo3.org/teams/security/security-bulletins/typo3-sa-2010-022/),
I've decided to briefly explain this interesting flaw.

An exploit and a demonstration video are also available here:
http://blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.html

Please note that coincidentally Gregor Kopf has just disclosed the same
vulnerability (among other amazing bugs!) during his BerlinSides talk
(http://gregorkopf.de/slides_berlinsides_2010.pdf). He was originally
credited in the TYPO3-SA-2010-020 bulletin, whereas in the latest update
(TYPO3-SA-2010-022) we are both credited as I've been independently
working on the same issue. Well done @teh_gerg!

Cheers,
Luca

-- 
Luca Carettoni <luca.carettoni@...isoft.com>

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