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III - Administrative Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000472-GPOS-00217

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate audit records for the /var/run/utmp file.

    &lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to est...
    Rule Medium Severity
  • SRG-OS-000472-GPOS-00217

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate audit records for the /var/log/btmp file.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate audit records when successful/unsuccessful attempts to use modprobe command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate audit records when successful/unsuccessful attempts to use the kmod command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
  • SRG-OS-000477-GPOS-00222

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate audit records when successful/unsuccessful attempts to use the fdisk command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
  • SRG-OS-000479-GPOS-00224

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must have a crontab script running weekly to offload audit events of standalone systems.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a commo...
    Rule Low Severity
  • SRG-OS-000027-GPOS-00008

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must limit the number of concurrent sessions to ten for all accounts and/or account types.

    &lt;VulnDiscussion&gt;The Ubuntu operating system management includes the ability to control the number of users and user sessions that utilize an ...
    Rule Low Severity
  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must monitor remote access methods.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
  • SRG-OS-000120-GPOS-00061

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must encrypt all stored passwords with a FIPS 140-2 approved cryptographic hashing algorithm.

    &lt;VulnDiscussion&gt;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-000074-GPOS-00042

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must not have the telnet package installed.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule High Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must not have the rsh-server package installed.

    &lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...
    Rule High Severity
  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
  • SRG-OS-000109-GPOS-00056

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must prevent direct login into the root account.

    &lt;VulnDiscussion&gt;To assure individual accountability and prevent unauthorized access, organizational users must be individually identified and...
    Rule Medium Severity
  • SRG-OS-000118-GPOS-00060

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.

    &lt;VulnDiscussion&gt;Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...
    Rule Medium Severity
  • SRG-OS-000123-GPOS-00064

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must automatically expire temporary accounts within 72 hours.

    &lt;VulnDiscussion&gt;Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new s...
    Rule Low Severity
  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must set a sticky bit on all public directories to prevent unauthorized and unintended information transferred via shared system resources.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Medium Severity
  • SRG-OS-000142-GPOS-00071

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must be configured to use TCP syncookies.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
  • SRG-OS-000184-GPOS-00078

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must disable kernel core dumps so that it can fail to a secure state if system initialization fails, shutdown fails or aborts fail.

    &lt;VulnDiscussion&gt;Kernel core dumps may contain the full contents of system memory at the time of the crash. Kernel core dumps may consume a co...
    Rule Medium Severity
  • SRG-OS-000185-GPOS-00079

    <GroupDescription></GroupDescription>
    Group
  • Ubuntu operating systems handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.

    &lt;VulnDiscussion&gt;Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and...
    Rule Medium Severity
  • SRG-OS-000205-GPOS-00083

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.

    &lt;VulnDiscussion&gt;Any operating system providing too much information in error messages risks compromising the data and security of the structu...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must configure the /var/log directory to be group-owned by syslog.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must configure the /var/log directory to be owned by root.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must configure the /var/log directory to have mode "0755" or less permissive.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must configure the /var/log/syslog file to be group-owned by adm.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must configure /var/log/syslog file to be owned by syslog.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity

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