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| # Title    : Simple Machines Forum 1.1.11 Mullti Vulnerability   
| # Author   : indoushka                                                               
| # email    : indoushka@hotmail.com                                                   
| # Home     : www.sec-war.com                                                                     
| # Web Site : http://www.simplemachines.org/                                                   
| # Dork     : Powered by SMF 1.1.11 | SMF © 2006-2009, Simple Machines LLC                                                                                                              
| # Tested on: windows SP2 Français V.(Pnx2 2.0) + Lunix Français v.(9.4 Ubuntu)       
| # Bug      : Mullti                                                                     
======================      Exploit By indoushka       =================================
# Exploit  :  

1- Mail List information : 

After Register go to : http://127.0.0.1/smf/index.php?action=mlist

2- PHPSESSID session fixation:
Vulnerability description
This script is vulnerable to PHPSESSID session fixation attacks.

By injecting a custom PHPSESSID is possible to alter the PHP session cookie. Attackers will normally manipulate cookie values to fraudulently authenticate themselves on a web site.
This vulnerability affects /smf. 
The impact of this vulnerability
By exploiting this vulnerability, an attacker may conduct a session fixation attack. In a session fixation attack, the attacker fixes the user's session ID before the user even logs into the target server, thereby eliminating the need to obtain the user's session ID afterwards.

Attack details :

GET /smf/?PHPSESSID=smfssionfixation 

How to fix this vulnerability
Set session.use_only_cookies = 1 from php.ini. This option enables administrators to make their users invulnerable to attacks which involve passing session ids in URLs; defaults to 0.

Web references :

http://www.acros.si/papers/session_fixation.pdf
 
http://www.php.net/session

http://www.owasp.org/index.php/PHP_Top_5 


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