Secunia Research: Joomla! JCE Component Security Bypass Vulnerability

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                    Secunia Research 21/05/2012

	- Joomla! JCE Component Security Bypass 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

* Joomla! JCE Component version 2.1.0.

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Less critical
Impact: Security Bypass
Where:  From remote

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3) Vendor's Description of Software 

"JCE makes creating and editing Joomla!® content easy

Add a set of tools to your Joomla!® environment that gives you the 
power to create the kind of content you want, without limitations, 
and without needing to know or learn HTML, XHTML, CSS."

Product Link:
http://www.joomlacontenteditor.net/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in the JCE component
for Joomla!, which can be exploited by malicious users to bypass
certain security restrictions.

An error due to the components/com_jce/editor/extensions/browser
/file.php script not properly verifying requests to rename files can be
exploited to rename e.g. core Joomla! configuration files, resulting in
the application becoming unavailable.

Successful exploitation of this vulnerability requires "Author" 
privileges.

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5) Solution 

Update to version 2.1.3.

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6) Time Table

03/05/2012 - Security contact requested.
03/05/2012 - Vendor provides security contact.
03/05/2012 - Vendor notified.
14/05/2012 - Vendor releases version 2.1.0.
15/05/2012 - Vendor notified of incomplete fixes.
21/05/2012 - Vendor provides details of new fixes.
21/05/2012 - Public disclosure.

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7) Credits 

Discovered by Jon Butler, Secunia.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has not 
currently assigned a CVE identifier for the vulnerabilities.

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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/2012-17

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

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