phpMyAdmin permissions for config.inc.php

Here's one solution, though it seems like a hack:

http://blog.elijaa.org/index.php?post/2013/02/19/Solve-Wrong-permissions-on-configuration-file%2C-should-not-be-world-writable!-error-on-phpMyAdmin

Same here:

http://www.davinder.in/blog/wrong-permissions-configuration-file-should-not-be-world-writable

And this guy says that '705' is actually the permission set you want:

If chmod 0644 config.inc.php does not help, perhaps due to a file system issue, you can just disable the check by adding the following to the file:

$cfg['CheckConfigurationPermissions'] = false;