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Ubuntu 22.04 LTS must configure the "/var/log/syslog" file to be group-owned by "adm".


Overview

Finding ID Version Rule ID IA Controls Severity
V-260511 UBTU-22-232135 SV-260511r953346_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 22.04 LTS Security Technical Implementation Guide 2024-03-21

Details

Check Text ( C-64240r953344_chk )
Verify that Ubuntu 22.04 LTS configures the "/var/log/syslog" file to be group-owned by "adm" by using the following command:

$ stat -c "%n %G" /var/log/syslog
/var/log/syslog adm

If the "/var/log/syslog" file is not group-owned by "adm", this is a finding.
Fix Text (F-64148r953345_fix)
Configure Ubuntu 22.04 LTS to have adm group-own the "/var/log/syslog" file by using the following command:

$ sudo chgrp adm /var/log/syslog