cyberstrikeus 4.2.4 Ensure permissions on all logfiles are configured (Scored)
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
Log files stored in /var/log/ contain logged information from many services on the system, or on log hosts others as well.
Rationale
It is important to ensure that log files have the correct permissions to ensure that sensitive data is archived and protected.
Audit Procedure
Run the following command and verify that other has no permissions on any files and group does not have write or execute permissions on any files:
find /var/log -type f -ls
Expected Result
All log files should have permissions of 640 or more restrictive. No files should have world-readable, world-writable, or world-executable permissions. Group should not have write or execute permissions.
Remediation
Run the following command to set permissions on all existing log files:
chmod -R g-wx,o-rwx /var/log/*
Notes: You may also need to change the configuration for your logging software or services for any logs that had incorrect permissions.
Default Value
Permissions may vary depending on the logging service and log file.
References
- CIS Controls v6.1 - 5.1 Minimize And Sparingly Use Administrative Privileges
Profile
- Level 1 - Server
- Level 1 - Workstation