Secunia Research: Support Incident Tracker Arbitrary File Upload Vulnerability

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                     Secunia Research 10/11/2011

  - Support Incident Tracker Arbitrary File Upload Vulnerability -

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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

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1) Affected Software 

* Support Incident Tracker version 3.65.

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Moderately critical
Impact: System Access
Where:  From remote

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3) Vendor's Description of Software 

"Support Incident Tracker (or SiT!) is a Free Software/Open Source
(GPL) web based application which uses PHP and MySQL for tracking 
technical support calls/emails".

Product Link:
http://sitracker.org/

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4) Description of Vulnerability

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

An error in the ftp_upload_file.php script does not properly validate 
uploaded files and can be exploited to execute arbitrary PHP code by 
uploading a PHP file.

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5) Solution 

A fix is not currently available.

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6) Time Table

24/10/2011 - Vendor notified.
02/11/2011 - Vendor notified (2nd attempt).
10/11/2011 - Public disclosure.

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7) Credits 

Discovered by Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2011-3833 for the vulnerability.

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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
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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/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2011-79/

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

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