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Secunia Research: Support Incident Tracker "eval()" PHP Code Execution Vulnerability

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                     Secunia Research 10/11/2011

- Support Incident Tracker "eval()" PHP Code Execution 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.

Input passed via e.g. the "application_name" parameter to config.php 
(when "action" is set to "save") is not properly sanitised before 
being used in an "eval()" call. This can be exploited to execute 
arbitrary PHP code.

Successful exploitation requires the "Administrate" permission.

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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-2011-3832 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
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/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2011-78/

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

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