III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All RHEL 9 local interactive user home directories must be group-owned by the home directory owner's primary group.
<VulnDiscussion>If the Group Identifier (GID) of a local interactive users home directory is not the same as the primary GID of the user, thi...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur.
<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-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock the root account until the root account is released by an administrator when three unsuccessful logon attempts occur during a 15-minute time period.
<VulnDiscussion>By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, also know...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur during a 15-minute time period.
<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-000329-GPOS-00128
<GroupDescription></GroupDescription>Group -
RHEL 9 must maintain an account lock until the locked account is released by an administrator.
<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-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
RHEL 9 must not have unauthorized accounts.
<VulnDiscussion>Accounts providing no operational purpose provide additional opportunities for system compromise. Unnecessary accounts includ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The root account must be the only account having unrestricted access to RHEL 9 system.
<VulnDiscussion>An account has root authority if it has a user identifier (UID) of "0". Multiple accounts with a UID of "0" afford more oppor...Rule High Severity -
SRG-OS-000021-GPOS-00005
<GroupDescription></GroupDescription>Group -
RHEL 9 must ensure account lockouts persist.
<VulnDiscussion>Having lockouts persist across reboots ensures that account is only unlocked by an administrator. If the lockouts did not per...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
RHEL 9 groups must have unique Group ID (GID).
<VulnDiscussion>To ensure accountability and prevent unauthenticated access, groups must be identified uniquely to prevent potential misuse a...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Local RHEL 9 initialization files must not execute world-writable programs.
<VulnDiscussion>If user start-up files execute world-writable programs, especially in unprotected directories, they could be maliciously modi...Rule Medium Severity
Node 2
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