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Moderately critical

Mambo Cross-Site Scripting and File Upload Vulnerabilities

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Release Date:  2008-08-18    Last Update:  2010-11-01    Views:  5,748

Secunia Advisory SA31528

Where:

From remote

Impact:

Cross Site Scripting, System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Some vulnerabilities have been discovered in Mambo, which can be exploited by malicious people to conduct cross-site scripting attacks and by malicious users to compromise a vulnerable system.

1) Input passed in the URL to mambots/editors/mostlyce/jscripts/tiny_mce/filemanager/connectors/php/connector.php 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) Input passed to the "mosConfig_sitename" parameter in administrator/popups/index3pop.php 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.

Successful exploitation of this vulnerability requires that "register_globals" is enabled, which is not the setting recommended by the installer.

3) An error in the MOStlyCE Image Manager can be exploited to upload arbitrary files with multiple extensions, which can be exploited by users with "author" privileges or higher to execute arbitrary PHP code.

Successful exploitation requires that the Imager Manager is set up and e.g. an Apache server with the "mod_mime" module is used where certain MIME types are not configured.

4) Input passed to the "task" parameter in index.php (when "option" is set to "com_content") 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.

The vulnerabilities are confirmed in version 4.6.5. Other versions may also be affected.


Solution:
Edit the source code to ensure that input is properly sanitised. Grant "author" privileges or higher only to trusted users.

Provided and/or discovered by:
1, 2) Khashayar Fereidani
3) Pawel Laskarzewski
4) Reported in a bug report by YGN Ethical Hacker Group.

Original Advisory:
Mambo:
http://mambo-developer.org/tracker/index.php?do=details&task_id=479

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: Mambo Cross-Site Scripting and File Upload Vulnerabilities

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