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Moderately critical

Joomla! JCE Component Cross-Site Scripting and Arbitrary File Upload Vulnerabilities

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Release Date:  2012-05-16    Last Update:  2012-06-05    Views:  2,299

Secunia Advisory SA49206

Where:

From remote

Impact:

Cross Site Scripting, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Secunia Research has discovered two vulnerabilities in the JCE component for Joomla!, which can be exploited by malicious users to compromise a vulnerable system and by malicious people to conduct cross-site scripting attacks.

1) Input passed to the "search" parameter in administrator/index.php (when "option" is set to "com_jce" and "view" is set to "profiles") is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

2) An error due to the components/com_jce/editor/extensions/browser/file.php script (when "chunk" is set to a value greater than "0") not properly verifying uploaded files can be exploited to execute arbitrary PHP code by uploading a PHP file with e.g. a ".jpg.pht" file extension.

Successful exploitation of this vulnerability requires "Author" privileges.

The vulnerabilities are confirmed in version 2.0.21. Prior versions may also be affected.


Solution:
Update to version 2.1.0.

Provided and/or discovered by:
Jon Butler, Secunia Research.

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2012-14/
http://secunia.com/secunia_research/2012-15/

JCE:
http://www.joomlacontenteditor.net/news/item/jce-21-released?category_id=32

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Joomla! JCE Component Cross-Site Scripting and Arbitrary File Upload Vulnerabilities

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