Guide to the Secure Configuration of Ubuntu 18.04
Rules, Groups, and Values defined within the XCCDF Benchmark
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Only the VDSM User Can Use sudo NOPASSWD
The sudo <code>NOPASSWD</code> tag, when specified, allows a user to execute commands using sudo without having to authenticate. Only the <code>vds...Rule Medium Severity -
Explicit arguments in sudo specifications
All commands in the sudoers file must strictly specify the arguments allowed to be used for a given user. If the command is supposed to be executed...Rule Medium Severity -
Don't define allowed commands in sudoers by means of exclusion
Policies applied by sudo through the sudoers file should not involve negation. Each user specification in the <code>sudoers</code> file contains a...Rule Medium Severity -
Don't target root user in the sudoers file
The targeted users of a user specification should be, as much as possible, non privileged users (i.e.: non-root). User specifications have to expl...Rule Medium Severity -
System Tooling / Utilities
The following checks evaluate the system for recommended base packages -- both for installation and removal.Group -
Ensure gnutls-utils is installed
Thegnutls-utils
package can be installed with the following command:$ apt-get install gnutls-utils
Rule Medium Severity -
Ensure nss-tools is installed
Thenss-tools
package can be installed with the following command:$ apt-get install nss-tools
Rule Medium Severity -
Prevent Login to Accounts With Empty Password
If an account is configured for password authentication but does not have an assigned password, it may be possible to log into the account without ...Rule High Severity -
Action for auditd to take when disk errors
'The setting for disk_error_action in /etc/audit/auditd.conf, if multiple values are allowed write them separated by pipes as in "syslog|single|hal...Value -
Updating Software
The <code>apt_get</code> command line tool is used to install and update software packages. The system also provides a graphical software update to...Group
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