Oracle Linux 7 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so the x86 Ctrl-Alt-Delete key sequence is disabled in the Graphical User Interface.
<VulnDiscussion>A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so that all world-writable directories are owned by root, sys, bin, or an application user.
<VulnDiscussion>If a world-writable directory is not owned by root, sys, bin, or an application User Identifier (UID), unauthorized users may...Rule Medium Severity -
SRG-OS-000114-GPOS-00059
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must disable the graphical user interface automounter unless required.
<VulnDiscussion>Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity. S...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must be configured so users must re-authenticate for privilege escalation.
<VulnDiscussion>Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When opera...Rule Medium Severity -
SRG-OS-000445-GPOS-00199
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must enable the SELinux targeted policy.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system SSH daemon must prevent remote hosts from connecting to the proxy display.
<VulnDiscussion>When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must restrict privilege elevation to authorized personnel.
<VulnDiscussion>The sudo command allows a user to execute programs with elevated (administrator) privileges. It prompts the user for their pa...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must use the invoking user's password for privilege escalation when using "sudo".
<VulnDiscussion>The sudoers security policy requires that users authenticate themselves before they can use sudo. When sudoers requires authe...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
The Oracle Linux operating system must require re-authentication when using the "sudo" command.
<VulnDiscussion>Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When opera...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
Oracle Linux operating systems version 7.2 or newer booted with a BIOS must have a unique name for the grub superusers account when booting into single-user and maintenance modes.
<VulnDiscussion>If the system does not require valid authentication before it boots into single-user or maintenance mode, anyone who invokes ...Rule Medium Severity
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