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[SCSA-020] Multiple vulnerabilities in AttilaPHP
From: Gregory LEBRAS <gregory.lebras () security-corporation com>
Date: 18 Aug 2003 12:11:41 -0000



======================================================================
Security Corporation Security Advisory [SCSA-020]

Multiple vulnerabilities in AttilaPHP
======================================================================

PROGRAM: AttilaPHP
HOMEPAGE: http://www.attila-php.net
VULNERABLE VERSIONS: 3.0 and prior ?
RISK: Low/Medium
IMPACT: Cross Site Scripting
Script Injection
Path Disclosure
RELEASE DATE: 2003-08-18

======================================================================
TABLE OF CONTENTS
======================================================================

1..........................................................DESCRIPTION
2..............................................................DETAILS
3.............................................................EXPLOITS
4............................................................SOLUTIONS
5...........................................................WORKAROUND
6..................................................DISCLOSURE TIMELINE
7..............................................................CREDITS
8...........................................................DISCLAIMER
9...........................................................REFERENCES
10............................................................FEEDBACK

1. DESCRIPTION
======================================================================

AttilaPHP is an other Content Management Systems like PHP-Nuke

More informations at : http://www.attila-php.net (In French)


2. DETAILS
======================================================================

- Cross Site Scripting :

Many exploitable bugs was found in AttilaPHP which cause script
execution on client's computer by following a crafted url.

This kind of attack known as "Cross-Site Scripting Vulnerability"
is present in many section of the web site, an attacker can input
specially crafted links and/or other malicious scripts.


- Script Injection :

A vulnerability have been found in AttilaPHP which allow attackers
to inject script codes into the homepage and use them on clients
browser as if they were provided by the site.


- Path Disclosure :

Many vulnerabilities have been found in AttilaPHP which allow
attackers to determine the physical path of the application.

These vulnerabilities would allow a remote user to determine the
full path to the web root directory and other potentially
sensitive information. This vulnerability can be triggered by a
remote user submitting a specially crafted HTTP request.


3. EXPLOIT
======================================================================

- Cross Site Scripting :

http://[target]/index.php3?Rubrique=[hostile_code]

http://[target]/index.php3?article=[id_number]&Rubrique=[hostile_code]


The hostile code could be :

[script]alert("Cookie="+document.cookie)[/script]

(open a window with the cookie of the visitor.)

(replace [] by <>)


- Script Injection :

http://[target]/www/user_action.php3?op=enter_text&rubrique=[rubrique_id]

The vulnerability is at the level of the interpretation of the "Titre",
"Texte", "Texte associé au lien" field.

Indeed, the insertion of a hostile code script in this field makes it
possible to a malicious user to carry out this script on the navigator
of the visitors.


- Path Disclosure :

http://[target]/www/print.php3?id=&apos;

http://[target]/www/index.php3?nrub=&apos;

http://[target]/www/index.php3?article=&apos;


4. SOLUTIONS
======================================================================

No solution for the moment. AttilaPhp's Team is working on an update.


5. WORKAROUND
======================================================================

- Cross Site Scripting :

Use the function php eregi_replace to filter the input data.


- Path Disclosure :

You can fix the path disclosure problem by adding this code in
all the affected files :

-------CUT-------

error_reporting(0);

-------CUT-------


6. DISCLOSURE TIMELINE
======================================================================

24/06/2003 Vulnerability discovered
25/06/2003 Vendor notified - First e-mail
26/06/2003 Security Corporation clients notified
08/07/2003 Vendor notified - Second e-mail
01/08/2003 Vendor notified - Third e-mail
01/08/2003 Vendor response
01/08/2003 Started e-mail discussions
18/08/2003 Last e-mail received
18/08/2003 Public disclosure


7. CREDITS
======================================================================

Discovered by Gregory Le Bras <gregory.lebras () security-corporation com>


8. DISLAIMER
======================================================================

The information within this paper may change without notice. Use of
this information constitutes acceptance for use in an AS IS condition.
There are NO warranties with regard to this information. In no event
shall the author be liable for any damages whatsoever arising out of
or in connection with the use or spread of this information. Any use
of this information is at the user's own risk.


9. REFERENCES
======================================================================

- Original Version:
http://www.security-corporation.com/advisories-020.html

- Version Française:
http://www.security-corporation.com/index.php?id=advisories&a=020-FR


10. FEEDBACK
======================================================================

Please send suggestions, updates, and comments to:

Security Corporation
http://www.security-corporation.com
info () security-corporation com


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