Secunia Research: Sharetronix Arbitrary File Upload Vulnerability

======================================================================
 
                    Secunia Research 05/12/2013              

           Sharetronix Arbitrary File Upload Vulnerability           
		  
======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software

* Sharetronix 3.1.1.

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

====================================================================== 
3) Vendor's Description of Software 

"Sharetronix is a Secure Social Network for Your Company.
Collaborate with Your Coworkers, Clients, and Partners."

Product Link:
http://sharetronix.com/
 
====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Sharetronix, which
can be exploited by malicious users to compromise a vulnerable system.

An error due to the /system/controllers/ajax/attachments.php script
not properly validating the extension of an uploaded file can be
exploited to execute arbitrary PHP code by uploading a malicious
PHP file.

====================================================================== 
5) Solution 

No official solution is currently available.

====================================================================== 
6) Time Table 

06/11/2013 - Vendor notified.
06/11/2013 - Vendor response stating
             "Please immediately cease and desist all such      
              communications."
05/12/2013  Public disclosure.

====================================================================== 
7) Credits 

Discovered by Egidio Romano, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
the CVE-2013-5353 identifier for the vulnerability.
 
====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2013-9/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================