II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000126-GPOS-00066
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must be configured with a timeout interval.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
The SUSE operating system for all network connections associated with SSH traffic must immediately terminate at the end of the session or after 10 minutes of inactivity.
<VulnDiscussion>Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must be configured to not allow authentication using known hosts authentication.
<VulnDiscussion>Configuring this setting for the SSH daemon provides additional assurance that remote logon via SSH will require a password, ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon public host key files must have mode 0644 or less permissive.
<VulnDiscussion>If a public host key file is modified by an unauthorized user, the SSH service may be compromised.</VulnDiscussion><...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon private host key files must have mode 0640 or less permissive.
<VulnDiscussion>If an unauthorized user obtains the private SSH host key file, the host could be impersonated.</VulnDiscussion><Fals...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must perform strict mode checking of home directory configuration files.
<VulnDiscussion>If other users have access to modify user-specific SSH configuration files, they may be able to log on to the system as anoth...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must use privilege separation.
<VulnDiscussion>SSH daemon privilege separation causes the SSH process to drop root privileges when not needed, which would decrease the impa...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must not allow compression or must only allow compression after successful authentication.
<VulnDiscussion>If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could res...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The SUSE operating system SSH daemon must disable forwarded remote X connections for interactive users, unless to fulfill documented and validated mission requirements.
<VulnDiscussion>The security risk of using X11 forwarding is that the client's X11 display server may be exposed to attack when the SSH clien...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
The SUSE operating system clock must, for networked systems, be synchronized to an authoritative DoD time source at least every 24 hours.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity
Node 2
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