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GCP Threats
MySQL Local Infile Flag Should Be Disabled
More Info:
Ensure that the local_infile database flag for a Cloud SQL Mysql instance is set to off.
Risk Level
Medium
Address
Security
Compliance Standards
CISGCP, CBP
Triage and Remediation
Remediation
To remediate the MySQL Local Infile Flag Should Be Disabled misconfiguration for GCP using GCP console, follow these steps:
-
Open the GCP Console and navigate to the Cloud SQL instances page.
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Select the instance for which you want to remediate the misconfiguration.
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Click on the “Edit” button at the top of the instance details page.
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Scroll down to the “Flags” section and click on the “Add item” button.
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In the “Name” field, enter “local_infile” (without quotes).
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In the “Value” field, enter “0” (without quotes).
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Click on the “Save” button at the bottom of the page to save the changes.
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Wait for the instance to restart with the new configuration.
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Verify that the MySQL Local Infile Flag is disabled by running the following command in the Cloud Shell:
gcloud sql instances describe [INSTANCE_NAME] --format="get(settings.mysqlFlags)"Replace [INSTANCE_NAME] with the name of your instance.
The output should show the “local_infile” flag with a value of “0”.
That’s it! You have successfully remediated the MySQL Local Infile Flag Should Be Disabled misconfiguration for GCP using GCP console.
To remediate the MySQL Local Infile Flag Should Be Disabled misconfiguration in GCP using GCP CLI, you can follow these steps:
-
Open the Cloud Shell in the GCP Console.
-
Run the following command to check the current status of the local_infile flag:
gcloud sql instances describe [INSTANCE_NAME] --format="get(settings.flags.local_infile)"
Replace [INSTANCE_NAME] with the name of your Cloud SQL instance.
-
If the output is
ON, then the local_infile flag is enabled and needs to be disabled. -
Run the following command to disable the local_infile flag:
gcloud sql instances patch [INSTANCE_NAME] --database-flags local_infile=0
Replace [INSTANCE_NAME] with the name of your Cloud SQL instance.
-
Verify that the local_infile flag is now disabled by running the first command again. The output should be
0. -
Repeat these steps for any other Cloud SQL instances that have the local_infile flag enabled.
By following these steps, you should be able to remediate the MySQL Local Infile Flag Should Be Disabled misconfiguration in GCP using GCP CLI.
To remediate the MySQL Local Infile Flag misconfiguration in GCP using Python, you can follow the below steps:
- Connect to the GCP project where the instance is running using the Python client library.
- Get the instance details using the
compute.instances().get()method. - Check if the MySQL instance is running on the instance.
- If MySQL is running, SSH into the instance using the
paramikolibrary. - Execute the following command to edit the MySQL configuration file:
sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf - Add the following line to the
[mysqld]section of the file:local_infile=0 - Save and close the file.
- Restart the MySQL service using the following command:
sudo service mysql restart - Verify that the MySQL Local Infile Flag is disabled by running the following command:
If the output is
mysql -u <username> -p -e "SHOW VARIABLES LIKE 'local_infile'"local_infile | OFF, then the MySQL Local Infile Flag is disabled.
Here’s the sample Python code to remediate the MySQL Local Infile Flag misconfiguration in GCP:
import paramiko
from google.oauth2 import service_account
from googleapiclient.discovery import build
# Set the GCP project ID and instance name
project_id = 'your-project-id'
instance_name = 'your-instance-name'
# Set the path to the service account key file
key_path = 'path/to/key.json'
# Create the credentials object
credentials = service_account.Credentials.from_service_account_file(key_path)
# Create the Compute Engine client object
compute = build('compute', 'v1', credentials=credentials)
# Get the instance details
instance = compute.instances().get(project=project_id, zone='us-central1-a', instance=instance_name).execute()
# Check if MySQL is running on the instance
if 'mysql' in instance['metadata']['items'][0]['value']:
# SSH into the instance
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(instance['networkInterfaces'][0]['accessConfigs'][0]['natIP'], username='your-username', key_filename='path/to/key.pem')
# Execute the command to edit the MySQL configuration file
command = 'sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf\n'
stdin, stdout, stderr = ssh.exec_command(command)
# Add the local_infile=0 line to the configuration file
command = 'echo "local_infile=0" >> /etc/mysql/mysql.conf.d/mysqld.cnf\n'
stdin, stdout, stderr = ssh.exec_command(command)
# Save and close the configuration file
command = 'sudo service mysql restart\n'
stdin, stdout, stderr = ssh.exec_command(command)
# Verify that the MySQL Local Infile Flag is disabled
command = 'mysql -u <username> -p -e "SHOW VARIABLES LIKE \'local_infile\'"\n'
stdin, stdout, stderr = ssh.exec_command(command)
output = stdout.readlines()
if 'local_infile | OFF' in output:
print('MySQL Local Infile Flag has been successfully disabled.')
else:
print('Error: Failed to disable MySQL Local Infile Flag.')
else:
print('MySQL is not running on the instance.')
Note: Replace your-project-id, your-instance-name, path/to/key.json, your-username, and path/to/key.pem with your actual values. Also, make sure to install the paramiko and google-auth libraries.