RedShop 1.0.23.1 Joomla Component Blind SQL Injection Vulnerability

2010-07-1800:00:00

vulners.com

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Name RedShop
Vendor http://redweb.dk
Versions Affected 1.0.23.1

Author Salvatore Fresta aka Drosophila
Website http://www.salvatorefresta.net
Contact salvatorefresta [at] gmail [dot] com
Date 2010-07-13

X. INDEX

I. ABOUT THE APPLICATION
II. DESCRIPTION
III. ANALYSIS
IV. SAMPLE CODE
V. FIX

I. ABOUT THE APPLICATION

RedShop is a popular and commercial Joomla component.
It is a Content Creation Kit style of webshop / webshop
tool where you got the most access ever given to any user
to completely style around and change thier webshop,
without alot more knowledge then HTML and a bit of CSS.

II. DESCRIPTION

A parameter in the search form is not properly sanitised
before being used in a SQL query.

III. ANALYSIS

Summary:

A) Blind SQL Injection

The parameters viewform and id are not properly sanitised
The parameter keyword is not properly sanitised before
being used in a SQL query. This can be exploited to
manipulate SQL queries by injecting arbitrary SQL code.

Successful exploitation requires that "magic_quotes_gpc"
is disabled.

IV. SAMPLE CODE

A) Blind SQL Injection

Copy and past the following lines in the search form:

' AND (SELECT(IF(ASCII(0x41) = 64,false,NULL))) OR '
' AND (SELECT(IF(ASCII(0x41) = 65,true,NULL))) OR '

V. FIX

No fix.

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