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The Ubuntu operating system must configure the /var/log directory to have mode 0750 or less permissive.


Overview

Finding ID Version Rule ID IA Controls Severity
V-238340 UBTU-20-010419 SV-238340r654195_rule Medium
Description
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or platform. Additionally, Personally Identifiable Information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives. The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.
STIG Date
Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide 2021-03-23

Details

Check Text ( C-41550r654193_chk )
Verify that the Ubuntu operating system configures the "/var/log" directory with a mode of 750 or less permissive with the following command:

$ stat -c "%n %a" /var/log

/var/log 750

If a value of "750" or less permissive is not returned, this is a finding.
Fix Text (F-41509r654194_fix)
Configure the Ubuntu operating system to have permissions of 0750 for the "/var/log" directory by running the following command:

$ sudo chmod 0750 /var/log