BugTraq
[MajorSecurity #17] SixCMS <= 6 - Multiple XSS and directory traversal vulnerabilities Jun 12 2006 03:35PM
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[MajorSecurity #17] SixCMS <= 6 - Multiple XSS and directory traversal vulnerabilities

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Software: SixCMS

Version: <=6

Type: Cross site scripting

Date: June, 12th 2006

Vendor: Six Offene Systeme GmbH

Page: http://www.sixcms.de

Credits:

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Discovered by: David "Aesthetico" Vieira-Kurz

http://www.majorsecurity.de

Original Advisory:

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http://www.majorsecurity.de/advisory/major_rls17.txt

Affected Products:

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SixCMS 6 and prior

Description:

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SixCMS is a well known and commercial enterprise Content Management System.

Requirements:

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register_globals = On

Vulnerability:

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Input passed to the "template" parameter in "detail.php" is not

properly verified, before it is used to execute the given arguments.

Acquiring access to known files outside of the web root and current directory

is possible through directory traversal techniques.

This is made possible through the use of "../../" in a HTTP request.

Input passes to the "page" parameter in "list.php" is not properly sanitised,

before it is used to execute the given arguments.

This can be exploited to execute arbitrary HTML and script code in context of an affected site.

Solution:

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Edit the source code to ensure that input is properly sanitised.

You should work with "htmlspecialchars()" or "strip_tags()" php-function to ensure that html tags

are not going to be executed.

Example:

<?php

echo htmlspecialchars("<script");

?>

Set "register_globals" to "Off".

Examples:

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/detail.php?template=../../../../../../etc/passwd%00

/list.php?page=<script>alert("MajorSecurity")</script>

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