I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000364-GPOS-00151
Group -
The Oracle Linux operating system must not allow removable media to be used as the boot loader unless approved.
Malicious users with removable boot media can gain access to a system configured to use removable media as the boot loader. If removable media is designed to be used as the boot loader, the require...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
Group -
The Oracle Linux operating system must not have the telnet-server package installed.
It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooke...Rule High Severity -
SRG-OS-000038-GPOS-00016
Group -
The Oracle Linux operating system must be configured so that auditing is configured to produce records containing information to establish what type of events occurred, where the events occurred, the source of the events, and the outcome of the events. These audit records must also identify individual identities of group account users.
Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Audit record content that may be nec...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
Group -
The Oracle Linux operating system must shut down upon audit processing failure, unless availability is an overriding concern. If availability is a concern, the system must alert the designated staff (System Administrator [SA] and Information System Security Officer [ISSO] at a minimum) in the event of an audit processing failure.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an ...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must be configured to off-load audit logs onto a different system or storage media from the system being audited.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. On...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must take appropriate action when the remote logging buffer is full.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. On...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must label all off-loaded audit logs before sending them to the central log server.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. On...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must off-load audit records onto a different system or media from the system being audited.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. Sa...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must encrypt the transfer of audit records off-loaded onto a different system or media from the system being audited.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. Sa...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must be configured so that the audit system takes appropriate action when the audit storage volume is full.
Taking appropriate action in case of a filled audit storage volume will minimize the possibility of losing audit records. One method of off-loading audit logs in Oracle Linux is with the use of the...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
Group -
The Oracle Linux operating system must be configured so that the audit system takes appropriate action when there is an error sending audit records to a remote system.
Taking appropriate action when there is an error sending audit records to a remote system will minimize the possibility of losing audit records. One method of off-loading audit logs in Oracle Linux...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
Group -
The Oracle Linux operating system must initiate an action to notify the System Administrator (SA) and Information System Security Officer (ISSO), at a minimum, when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.Rule Medium Severity -
SRG-OS-000343-GPOS-00134
Group -
The Oracle Linux operating system must immediately notify the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) via email when the threshold for the repository maximum audit record storage capacity is reached.
If security personnel are not notified immediately when the threshold for the repository maximum audit record storage capacity is reached, they are unable to expand the audit record storage capacit...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
Group -
The Oracle Linux operating system must immediately notify the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) when the threshold for the repository maximum audit record storage capacity is reached.
If security personnel are not notified immediately when the threshold for the repository maximum audit record storage capacity is reached, they are unable to expand the audit record storage capacit...Rule Medium Severity -
SRG-OS-000327-GPOS-00127
Group -
The Oracle Linux operating system must audit all executions of privileged functions.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Medium Severity -
SRG-OS-000064-GPOS-00033
Group -
The Oracle Linux operating system must audit all uses of the chown, fchown, fchownat, and lchown syscalls.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000458-GPOS-00203
Group -
The Oracle Linux operating system must audit all uses of the chmod, fchmod, and fchmodat syscalls.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000458-GPOS-00203
Group -
The Oracle Linux operating system must audit all uses of the setxattr, fsetxattr, lsetxattr, removexattr, fremovexattr, and lremovexattr syscalls.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000064-GPOS-00033
Group -
The Oracle Linux operating system must audit all uses of the creat, open, openat, open_by_handle_at, truncate, and ftruncate syscalls.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must audit all uses of the semanage command.
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must audit all uses of the setsebool command.
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must audit all uses of the chcon command.
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must audit all uses of the setfiles command.
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must generate audit records for all unsuccessful account access events.
Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or...Rule Medium Severity -
SRG-OS-000392-GPOS-00172
Group -
The Oracle Linux operating system must generate audit records for all successful account access events.
Without generating audit records that to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or ide...Rule Medium Severity
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