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TUCoPS :: Web :: PHP :: bt907.txt

Multiple vulnerabilities in AttilaPHP







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Security Corporation Security Advisory [SCSA-020]



Multiple vulnerabilities in AttilaPHP

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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



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TABLE OF CONTENTS

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1..........................................................DESCRIPTION

2..............................................................DETAILS

3.............................................................EXPLOITS

4............................................................SOLUTIONS

5...........................................................WORKAROUND

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

7..............................................................CREDITS

8...........................................................DISCLAIMER

9...........................................................REFERENCES

10............................................................FEEDBACK



1. DESCRIPTION

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AttilaPHP is an other Content Management Systems like PHP-Nuke



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





2. DETAILS

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- 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

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- 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='



http://[target]/www/index.php3?nrub='



http://[target]/www/index.php3?article='





4. SOLUTIONS

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





5. WORKAROUND

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- 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

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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

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





8. DISLAIMER

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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

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- 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

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Please send suggestions, updates, and comments to:



Security Corporation

http://www.security-corporation.com

info@security-corporation.com


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