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                     Secunia Research 03/06/2010

            - TomatoCMS 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 

* TomatoCMS version 2.0.6.

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 

"TomatoCMS is an impressive, powerful Content Management System. It's
free and open source licensed under GNU GPL."

Product Link:
http://tomatocms.com/

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4) Description of Vulnerability

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

The vulnerability is caused by an error in the validation of uploaded 
image files while adding a new article. This can be exploited to 
upload arbitrary files inside the webroot and e.g. execute arbitrary
PHP code.

Successful exploitation requires "Add new article", "Upload file to
server", and "Browse uploaded files" permissions.

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5) Solution 

Grant only trusted users "Add new article", "Upload file to server", 
and "Browse uploaded files" permissions.

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6) Time Table 

09/04/2010 - Vendor notified.
11/04/2010 - Vendor response.
04/05/2010 - Vendor releases new version, which does not fix the 
             reported vulnerability.
11/05/2010 - Requested status update from the vendor.
19/05/2010 - Requested status update from the vendor (2nd attempt).
03/06/2010 - 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-2010-1514 for the vulnerability.

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2010-57/

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

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