II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000031-GPOS-00012
<GroupDescription></GroupDescription>Group -
The SUSE operating system must conceal, via the session lock, information previously visible on the display with a publicly viewable image in the graphical user interface.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Low Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
The SUSE operating system must reauthenticate users when changing authenticators, roles, or escalating privileges.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When SUSE o...Rule High Severity -
SRG-OS-000027-GPOS-00008
<GroupDescription></GroupDescription>Group -
The SUSE operating system must limit the number of concurrent sessions to 10 for all accounts and/or account types.
<VulnDiscussion>SUSE operating system management includes the ability to control the number of users and user sessions that utilize a SUSE op...Rule Low Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
The SUSE operating system must lock an account after three consecutive invalid access attempts.
<VulnDiscussion>By limiting the number of failed access attempts, the risk of unauthorized system access via user password guessing, otherwis...Rule Medium Severity -
SRG-OS-000480-GPOS-00226
<GroupDescription></GroupDescription>Group -
The SUSE operating system must enforce a delay of at least four (4) 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-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
The SUSE operating system must enforce passwords that contain at least one upper-case character.
<VulnDiscussion>Use of a complex password helps increase the time and resources required to compromise the password. Password complexity, or ...Rule Medium Severity -
SRG-OS-000070-GPOS-00038
<GroupDescription></GroupDescription>Group -
The SUSE operating system must enforce passwords that contain at least one lower-case character.
<VulnDiscussion>Use of a complex password helps increase the time and resources required to compromise the password. Password complexity, or ...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
<GroupDescription></GroupDescription>Group -
The SUSE operating system must enforce passwords that contain at least one numeric character.
<VulnDiscussion>Use of a complex password helps increase the time and resources required to compromise the password. Password complexity, or ...Rule Medium Severity -
SRG-OS-000266-GPOS-00101
<GroupDescription></GroupDescription>Group -
The SUSE operating system must enforce passwords that contain at least one special character.
<VulnDiscussion>Use of a complex password helps increase the time and resources required to compromise the password. Password complexity or s...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
The SUSE operating system must require the change of at least eight (8) of the total number of characters when passwords are changed.
<VulnDiscussion>If the SUSE operating system allows the user to consecutively reuse extensive portions of passwords, this increases the chanc...Rule Medium Severity
Node 2
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