III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
SLEM 5 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 -
SLEM 5 must enforce a delay of at least five seconds between logon prompts following a failed logon attempt via pluggable authentication modules (PAM).
<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-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
SLEM 5 must use the default pam_tally2 tally directory.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...Rule Medium Severity -
SRG-OS-000027-GPOS-00008
<GroupDescription></GroupDescription>Group -
SLEM 5 must limit the number of concurrent sessions to 10 for all accounts and/or account types.
<VulnDiscussion>SLEM 5 management includes the ability to control the number of users and user sessions that use a SLEM 5. Limiting the numbe...Rule Low Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group -
SLEM 5 must have policycoreutils package installed.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule Low Severity -
SRG-OS-000134-GPOS-00068
<GroupDescription></GroupDescription>Group -
SLEM 5 must use a Linux Security Module configured to enforce limits on system services.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule High Severity -
SRG-OS-000445-GPOS-00199
<GroupDescription></GroupDescription>Group -
SLEM 5 must enable the SELinux targeted policy.
<VulnDiscussion>Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...Rule Medium Severity -
SRG-OS-000324-GPOS-00125
<GroupDescription></GroupDescription>Group -
SLEM 5 must prevent nonprivileged users from executing privileged functions, including disabling, circumventing, or altering implemented security safeguards/countermeasures.
<VulnDiscussion>Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or proces...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must use the invoking user's password for privilege escalation when using "sudo".
<VulnDiscussion>The sudoers security policy requires that users authenticate themselves before they can use sudo. When sudoers requires authe...Rule Medium Severity -
SRG-OS-000373-GPOS-00156
<GroupDescription></GroupDescription>Group -
SLEM 5 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 SLEM 5 ...Rule Medium Severity
Node 2
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