Werk #13322: Limit executable php scripts to NagVis files

Component Site management
Title Limit executable php scripts to NagVis files
Date Dec 12, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed

Previously the web server was able to execute .php files from all locations that are callable by the user. With this change, we now limit the execution of php files to the paths we need in the default installation for NagVis.

Please note: In case you intentionally installed php files in your site to access them through the site web server, you may now need to extend your sites web server configuration to make it work again as before.

For example, if you installed one file to var/www/my_script.php, you can make it usable again with the following configuration etc/apache/conf.d/my_script.conf:

<Location "/[site_id]/my_script.php">
Options +ExecCGI
</Location>
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