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Mambo CMS 4.6.5 Denial Of Service / Disclosure

Mambo CMS 4.6.5 Denial Of Service / Disclosure
Posted Jan 8, 2012
Authored by Larry W. Cashdollar

Mambo CMS version 4.6.5 suffers from denial of service, poor permission use and path disclosure vulnerabilities.

tags | exploit, denial of service, vulnerability, info disclosure
MD5 | 22792a578c50ea1cb02e8e1e12adc1aa

Mambo CMS 4.6.5 Denial Of Service / Disclosure

Change Mirror Download

Larry W. Cashdollar
1/2/2012
http://vapid.dhs.org

About Mambo:

"Mambo is a full-featured content management system that can be used for everything from simple websites to complex corporate applications."

http://mambo-code.org

1. Clear text password/crypt:

Mambo stores mysql database password in clear text in the document root path. (default recommendation is to use root credentials) which is readable by any local user.

Mambo also stores the admin password hash which is readable by any local user.
from documentation:

"http://help.mamboserver.com/index.php?option=com_content&task=view&id=41&Itemid=70

- CHMOD configuration.php to 777

Additional Notes on CHMOD [Permissions]

- For additional security return configuration.php to CHMOD 644 after making changes."

It should be chmod 600 and owned by whatever user the httpd process is running as at a minimum.


2. DoS

An attacker doesn't have to be authenticated to start the process of uploading a file. The file won't be saved as xml from Connector.php is required, but memory and bandwidth are consumed. (legacy code from fckeditor) There might be more here to exploit.. actually uploading a .php file would be neat.

http://<target ip>/mambots/editors/mostlyce/jscripts/tiny_mce/filemanager/frmupload.html

3. path disclosure

There appears to be broken php scripts installed with the package:

http://<target ip>/mambots/editors/mostlyce/jscripts/tiny_mce/imagemanager/thumbs.php
& editorFrame.php editor.php images.php manager.php are all busted and return

Warning: require(/var/wwwmambots/editors/mostlyce/jscripts/tiny_mce/auth_check.php) [function.require]: failed to open stream: No such file or directory in /var/www/mambots/editors/mostlyce/jscripts/tiny_mce/imagemanager/editorFrame.php on line 4

Fatal error: require() [function.require]: Failed opening required '/var/wwwmambots/editors/mostlyce/jscripts/tiny_mce/auth_check.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/mambots/editors/mostlyce/jscripts/tiny_mce/imagemanager/editorFrame.php on line 4

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