II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000433-GPOS-00192
<GroupDescription></GroupDescription>Group -
The SUSE operating system must implement kptr-restrict to prevent the leaking of internal kernel addresses.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations t...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
<GroupDescription></GroupDescription>Group -
Address space layout randomization (ASLR) must be implemented by the SUSE operating system to protect memory from unauthorized code execution.
<VulnDiscussion>Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations t...Rule Medium Severity -
SRG-OS-000437-GPOS-00194
<GroupDescription></GroupDescription>Group -
The SUSE operating system must remove all outdated software components after updated versions have been installed.
<VulnDiscussion>Previous versions of software components that are not removed from the information system after updates have been installed m...Rule Medium Severity -
SRG-OS-000447-GPOS-00201
<GroupDescription></GroupDescription>Group -
The SUSE operating system must notify the System Administrator (SA) when Advanced Intrusion Detection Environment (AIDE) discovers anomalies in the operation of any security functions.
<VulnDiscussion>If anomalies are not acted on, security functions may fail to secure the system. Security function is defined as the hardwa...Rule Medium Severity -
SRG-OS-000479-GPOS-00224
<GroupDescription></GroupDescription>Group -
The SUSE operating system must off-load rsyslog messages for networked systems in real time and off-load standalone systems at least weekly.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-OS-000002-GPOS-00002
<GroupDescription></GroupDescription>Group -
The SUSE operating system must provision temporary accounts with an expiration date for 72 hours.
<VulnDiscussion>If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain...Rule Medium 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-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-000068-GPOS-00036
<GroupDescription></GroupDescription>Group -
The SUSE operating system must implement multifactor authentication for access to privileged accounts via pluggable authentication modules (PAM).
<VulnDiscussion>Using an authentication device, such as a Common Access Card (CAC) or token that is separate from the information system, ens...Rule Medium Severity -
SRG-OS-000109-GPOS-00056
<GroupDescription></GroupDescription>Group -
The SUSE operating system must deny direct logons to the root account using remote access via SSH.
<VulnDiscussion>To ensure individual accountability and prevent unauthorized access, organizational users must be individually identified and...Rule Medium Severity
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