III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000070-GPOS-00038
<GroupDescription></GroupDescription>Group -
RHEL 9 must enforce password complexity by requiring that at least one lowercase character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
<GroupDescription></GroupDescription>Group -
RHEL 9 must enforce password complexity by requiring that at least one numeric character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
<GroupDescription></GroupDescription>Group -
RHEL 9 passwords for new users or password changes must have a 24 hours minimum password lifetime restriction in /etc/login.defs.
<VulnDiscussion>Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
<GroupDescription></GroupDescription>Group -
RHEL 9 passwords must have a 24 hours minimum password lifetime restriction in /etc/shadow.
<VulnDiscussion>Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
RHEL 9 must require users to provide a password for privilege escalation.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operati...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
<GroupDescription></GroupDescription>Group -
RHEL 9 passwords must be created with a minimum of 15 characters.
<VulnDiscussion>The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
<GroupDescription></GroupDescription>Group -
RHEL 9 passwords for new users must have a minimum of 15 characters.
<VulnDiscussion>The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...Rule Medium Severity -
SRG-OS-000266-GPOS-00101
<GroupDescription></GroupDescription>Group -
RHEL 9 must enforce password complexity by requiring that at least one special character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000480-GPOS-00225
<GroupDescription></GroupDescription>Group -
RHEL 9 must prevent the use of dictionary words for passwords.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
RHEL 9 must enforce password complexity by requiring that at least one uppercase character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 9 must require the change of at least eight characters when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 9 must require the maximum number of repeating characters of the same character class be limited to four when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 9 must require the maximum number of repeating characters be limited to three when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 9 must require the change of at least four character classes when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000073-GPOS-00041
<GroupDescription></GroupDescription>Group -
RHEL 9 must be configured so that user and group account administration utilities are configured to store only encrypted representations of passwords.
<VulnDiscussion>Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...Rule Medium Severity -
SRG-OS-000073-GPOS-00041
<GroupDescription></GroupDescription>Group -
RHEL 9 must be configured to use the shadow file to store only encrypted representations of passwords.
<VulnDiscussion>Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
RHEL 9 must not be configured to bypass password requirements for privilege escalation.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operatin...Rule Medium Severity -
SRG-OS-000073-GPOS-00041
<GroupDescription></GroupDescription>Group -
RHEL 9 shadow password suite must be configured to use a sufficient number of hashing rounds.
<VulnDiscussion>Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not have accounts configured with blank or null passwords.
<VulnDiscussion>If an account has an empty password, anyone could log in and run commands with the privileges of that account. Accounts with ...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
RHEL 9 must use the CAC smart card driver.
<VulnDiscussion>Smart card login provides two-factor authentication stronger than that provided by a username and password combination. Smart...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 9 must enable certificate based smart card authentication.
<VulnDiscussion>Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor a...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 9 must implement certificate status checking for multifactor authentication.
<VulnDiscussion>Using an authentication device, such as a DOD Common Access Card (CAC) or token that is separate from the information system,...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 9 must have the pcsc-lite package installed.
<VulnDiscussion>The pcsc-lite package must be installed if it is to be available for multifactor authentication using smart cards.</VulnDi...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
The pcscd service on RHEL 9 must be active.
<VulnDiscussion>The information system ensures that even if the information system is compromised, that compromise will not affect credential...Rule Medium Severity -
SRG-OS-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
RHEL 9 must have the opensc package installed.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. The DOD has mandated the...Rule Medium Severity
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