From Adobe ColdFusion 11 Security Technical Implementation Guide
Part of SRG-APP-000120-AS-000080
Associated with: CCI-000164
When a system is attacked, one of the tasks of the attacker is to cover his tracks by deleting log files or log data. This enables the attacker to go unnoticed and to make later forensic analysis of the attack difficult, if not impossible. To protect the log information from deletion and discover the attacker quickly, the log files must be protected. This protection must take place at both the Administrator Console and at the OS level. Within the Administrator Console, the protection can be performed by giving users the proper roles and only giving log deletion to those that need that capability to perform their job duties. At the OS level, protecting the logs from deletion is performed by assigned the proper privileges to the log files and also giving OS users limited roles.
Locate the logs directory for ColdFusion. The location can be found in the Administrator Console within the "Logging Settings" page under the "Debugging & Logging" menu. The log directory and log files should have the following permissions: ColdFusion running on Windows should have full control for the Administrators group and the user running ColdFusion. ColdFusion running on Linux should have the permissions set to "750" or more restrictive. If the permissions are not set correctly for the log directory and log files, this is a finding.
Locate the logs directory for ColdFusion. The location can be found in the Administrator Console within the "Logging Settings" page under the "Debugging & Logging" menu. The log directory and log file permissions can be set by: ColdFusion running on Windows: 1. Right click on the logs directory for ColdFusion and select "Properties". 2. Click on the "Security" tab and then click the "Advanced" button. 3. On the "Permissions" tab, click the "Disable inheritance" button and select "Remove all inherited permissions from this object." 4. Click the "Add" button, in the permission Entry dialog, click "Select a principal." 5. Enter the user that is running the ColdFusion service and give this user Full control and click "OK" to save. 6. Click the "Add" button again, in the permission Entry dialog, click "Select a principal." 7. Enter the Administrators group and give the group Full control and click "OK" to save. 8. Check the checkbox to "Replace all child object permission entries with inheritable permission entries from this object." 9. Click "OK" to apply these permissions. ColdFusion running on Linux: Use the chmod command to set the permissions correctly. For example, if the log directory is located at /opt/cf11/cfusion/logs, the command would be: chmod -R 750 /opt/cf11/cfusion/logs
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