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Check: RIIM-OS-252020

Riverbed NetIM OS STIG: RIIM-OS-252020 (in version v1 r1)

Title

Ubuntu OS must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC). (Cat III impact)

Discussion

If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analysis. Time stamps generated by the operating system include date and time. Time is commonly expressed in UTC or local time with an offset from UTC. Satisfies: SRG-OS-000359-GPOS-00146, SRG-OS-000055-GPOS-00026

Check Content

Verify the time zone is configured to use UTC by using the following command: $ timedatectl status | grep -i "time zone" Time zone: Etc/UTC (UTC, +0000) If "Time zone" is not set to UTC, this is a finding.

Fix Text

To Configure Ubuntu OS time zone to use UTC, run the following command: $ sudo timedatectl set-timezone Etc/UTC

Additional Identifiers

Rule ID: SV-275615r1147895_rule

Vulnerability ID: V-275615

Group Title: SRG-OS-000359-GPOS-00146

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000159	Use internal system clocks to generate time stamps for audit records.
CCI-001890	Record time stamps for audit records that use Coordinated Universal Time, have a fixed local time offset from Coordinated Universal Time, or that include the local time offset as part of the time stamp.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AU-8	Time Stamps