Oracle Linux 7 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Oracle Linux operating system must disable account identifiers (individuals, groups, roles, and devices) if the password expires.
Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system. Owners of inactive accounts...Rule Medium Severity -
The Oracle Linux operating system must be configured so that the delay between logon prompts following a failed console logon attempt is at least four seconds.
Configuring the operating system to implement organization-wide security implementation guides and security checklists verifies compliance with federal standards and establishes a common security b...Rule Medium Severity -
Oracle Linux operating systems version 7.2 or newer with a Basic Input/Output System (BIOS) must require authentication upon booting into single-user and maintenance modes.
If the system does not require valid authentication before it boots into single-user or maintenance mode, anyone who invokes single-user or maintenance mode is granted privileged access to all file...Rule High Severity -
The Oracle Linux operating system must uniquely identify and must authenticate organizational users (or processes acting on behalf of organizational users) using multifactor authentication.
To ensure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. Organizational user...Rule Medium Severity -
The Oracle Linux operating system must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privilege...Rule Medium Severity -
The Oracle Linux operating system must prevent the installation of software, patches, service packs, device drivers, or operating system components from a repository without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.
Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has bee...Rule High Severity -
The Oracle Linux operating system must prevent the installation of software, patches, service packs, device drivers, or operating system components of local packages without verification they have been digitally signed using a certificate that is issued by a Certificate Authority (CA) that is recognized and approved by the organization.
Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has bee...Rule High Severity -
The Oracle Linux operating system must remove all software components after updated versions have been installed.
Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products may...Rule Low Severity -
The Oracle Linux operating system must be configured so that the x86 Ctrl-Alt-Delete key sequence is disabled on the command line.
A locally logged-on user who presses Ctrl-Alt-Delete when at the console, can reboot the system. If accidentally pressed, as could happen in the case of a mixed OS environment, this can create the ...Rule High Severity -
The Oracle Linux operating system security patches and updates must be installed and up to date.
Timely patching is critical for maintaining the operational availability, confidentiality, and integrity of information technology (IT) systems. However, failure to keep operating system and applic...Rule Medium Severity
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