bugtraq - Drupal XSS Vulnerability (main page and sub pages)

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Date: Mon, 21 Jul 2003 08:26:30 +0300
From: "Ferruh Mavituna" <ferruh@...ituna.com>
To: <bugtraq@...urityfocus.com>
Subject: Drupal XSS Vulnerability (main page and sub pages)


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Drupal XSS Vulnerability (main page and sub pages)
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Any kind of XSS attacks possibility. An attacker could access other
users/admin drupal accounts.

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About Drupal;
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www.drupal.com
Drupal is an open-source platform and content management system for building
dynamic web sites offering a broad range of features and services including
user administration, publishing workflow, discussion capabilities, news
aggregation, metadata functionalities using controlled vocabularies and XML
publishing for content sharing purposes. Equipped with a powerful blend of
features and configurability, Drupal can support a diverse range of web
projects ranging from personal weblogs to large community-driven sites.

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Vulnerable;
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TESTED;
 Drupal 4.2.0 RC

NOT TESTED - %90 VULNERABLE;
 Drupal 4.1.0
 Drupal 4.0.0
 Drupal 3.0.2
 Drupal 3.0.1
 Drupal 3.0.0
 Drupal 2.0.0
 Drupal 1.0.0

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Not Vulnerable;
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Drupal 4.2.0 RC

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Vendor Status;
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Vendor replied and fixed quickly.

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Solution & Patches;
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xss-cvs.patch
xss-4.2.0-rc.patch
xss-4.1.0.patch

Download Patch Files :
http://ferruh.mavituna.com/opensource/patches/drupalpatch.zip
Better one download new version from www.drupal.org

[All files provided by Vendor]

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Exploit Code;
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http://[victim]/xxx"][script]alert(document.domain)]/script]["

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Exploit - 2;
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http://[victim]/node/view/666"><script>alert(document.domain)</script>

Replace "[]","<>"

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History;
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30.05.2003 - Discovered
03.05.2003 - Vendor Informed
03.05.2003 - Fixed by Vendor


Ferruh Mavituna
Web Application Security Specialist
http://ferruh.mavituna.com
ferruh@...ituna.com