I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must not have accounts configured with blank or null passwords.
<VulnDiscussion>If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with ...Rule High Severity -
SRG-OS-000120-GPOS-00061
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must encrypt all stored passwords with a FIPS 140-3-approved cryptographic hashing algorithm.
<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-000375-GPOS-00160
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must implement multifactor authentication for remote access to privileged accounts in such a way that one of the factors is provided by a device separate from the system gaining access.
<VulnDiscussion>Using an authentication device, such as a CAC or token separate from the information system, ensures that even if the informa...Rule Medium Severity -
SRG-OS-000376-GPOS-00161
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must accept personal identity verification (PIV) credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DOD has mandated the...Rule Medium Severity -
SRG-OS-000105-GPOS-00052
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must implement smart card logins for multifactor authentication for local and network access to privileged and nonprivileged accounts.
<VulnDiscussion>Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifac...Rule Medium Severity -
SRG-OS-000377-GPOS-00162
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must electronically verify personal identity verification (PIV) credentials.
<VulnDiscussion>The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DOD has mandated the...Rule Medium Severity -
SRG-OS-000066-GPOS-00034
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS, for PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
<VulnDiscussion>Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...Rule Medium Severity -
SRG-OS-000384-GPOS-00167
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS for PKI-based authentication, must implement a local cache of revocation data in case of the inability to access revocation information via the network.
<VulnDiscussion>Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...Rule Medium Severity -
SRG-OS-000068-GPOS-00036
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must map the authenticated identity to the user or group account for PKI-based authentication.
<VulnDiscussion>Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the indivi...Rule High Severity -
SRG-OS-000403-GPOS-00182
<GroupDescription></GroupDescription>Group -
Ubuntu 22.04 LTS must use DOD PKI-established certificate authorities for verification of the establishment of protected sessions.
<VulnDiscussion>Untrusted certificate authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...Rule Medium Severity
Node 2
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