II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
There must be no shosts.equiv files on SLEM 5.
<VulnDiscussion>The shosts.equiv files are used to configure host-based authentication for the system via SSH. Host-based authentication is n...Rule High Severity -
SRG-OS-000480-GPOS-00229
<GroupDescription></GroupDescription>Group -
SLEM 5 must not allow unattended or automatic logon via the graphical user interface (GUI).
<VulnDiscussion>Failure to restrict system access to authenticated users negatively impacts SLEM 5 security.</VulnDiscussion><FalseP...Rule High Severity -
SRG-OS-000299-GPOS-00117
<GroupDescription></GroupDescription>Group -
SLEM 5 wireless network adapters must be disabled unless approved and documented.
<VulnDiscussion>Without protection of communications with wireless peripherals, confidentiality and integrity may be compromised because unpr...Rule Medium Severity -
SRG-OS-000378-GPOS-00163
<GroupDescription></GroupDescription>Group -
SLEM 5 must disable the USB mass storage kernel module.
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. Per...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 local interactive user accounts, upon creation, must be assigned a home directory.
<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-00228
<GroupDescription></GroupDescription>Group -
SLEM 5 default permissions must be defined in such a way that all authenticated users can only read and modify their own files.
<VulnDiscussion>Setting the most restrictive default permissions ensures that when new accounts are created, they do not have unnecessary acc...Rule Medium Severity -
SRG-OS-000480-GPOS-00226
<GroupDescription></GroupDescription>Group -
SLEM 5 shadow password suite must be configured to enforce a delay of at least five seconds between logon prompts following a failed logon attempt.
<VulnDiscussion>Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain acc...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 local interactive users must have a home directory assigned in the /etc/passwd file.
<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 -
All SLEM 5 local interactive user home directories defined in the /etc/passwd file must exist.
<VulnDiscussion>If a local interactive user has a home directory defined that does not exist, the user may be given access to the / directory...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 local interactive user initialization files executable search paths must contain only paths that resolve to the users' home directory.
<VulnDiscussion>The executable search path (typically the PATH environment variable) contains a list of directories for the shell to search t...Rule Medium Severity
Node 2
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