II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00229
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to disable user environment processing.
<VulnDiscussion>Enabling user environment processing may enable users to bypass access restrictions in some configurations and must therefore...Rule High Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must create a home directory for all new local interactive user accounts.
<VulnDiscussion>If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files th...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must disable the debug-shell service.
<VulnDiscussion>The debug-shell service is intended to diagnose systemd related boot issues with various systemctl commands. Once enabled and...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to disallow Generic Security Service Application Program Interface (GSSAPI) authentication.
<VulnDiscussion>GSSAPI authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to disable X11 forwarding.
<VulnDiscussion>X11 is an older, insecure graphics forwarding protocol. It is not used by Photon and should be disabled as a general best pra...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to 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 Photon operating system must configure Secure Shell (SSH) to disallow Kerberos authentication.
<VulnDiscussion>If Kerberos is enabled through SSH, sshd provides a means of access to the system's Kerberos implementation. Vulnerabilities ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to disallow compression of the encrypted session stream.
<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 Photon operating system must configure Secure Shell (SSH) to display the last login immediately after authentication.
<VulnDiscussion>Providing users with feedback on the last time they logged on via SSH facilitates user recognition and reporting of unauthori...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Photon operating system must configure Secure Shell (SSH) to ignore user-specific trusted hosts lists.
<VulnDiscussion>SSH trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled. Indi...Rule Medium Severity
Node 2
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