TOSS must reveal error messages only to authorized users.
An XCCDF Rule
Description
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-252955r958566_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Change the permissions of the file "/var/log/messages" to "0640" and the ownership of the file to "root" by running the following commands:
$ sudo chmod 0640 /var/log/messages
$ sudo chown root /var/log/messages
Change the permissions of the directory "/var/log/" to "0755" and the ownership of the directory to "root" by running the following commands: