cyberstrikeus 4.1.3 Ensure permissions on all logfiles are configured (Automated)
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
The output should show that no files have permissions allowing other users to read, write, or execute, and group does not have write or execute permissions.
Remediation
Run the following commands to set permissions on all existing log files:
find /var/log -type f -exec chmod g-wx,o-rwx "{}" + -o -type d -exec chmod g-w,o-rwx "{}" +
Default Value
You may also need to change the configuration for your logging software or services for any logs that had incorrect permissions.
CIS Controls
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 3.3 Configure Data Access Control Lists - Configure data access control lists based on a user's need to know. Apply data access control lists, also known as access permissions, to local and remote file systems, databases, and applications. | x | x | x |
| v7 | 5.1 Establish Secure Configurations - Maintain documented, standard security configuration standards for all authorized operating systems and software. | x | x | x |
Profile
- Level 2 - Server