More Info:
Your Amazon ALBs should be using the latest predefined security policy for their SSL negotiation configuration in order to follow security best practices and protect their front-end connections against SSL/TLS vulnerabilities.Risk Level
MediumAddress
SecurityCompliance Standards
AWSWAF, HIPAA, GDPR, NISTTriage and Remediation
Remediation
Using Console
Using Console
Sure, here are the step-by-step instructions to remediate the misconfiguration of ALBs not having latest SSL/TLS configurations in AWS:
- Login to your AWS Management Console.
- Navigate to the EC2 dashboard.
- Click on the “Load Balancers” option under the “LOAD BALANCING” section in the left-hand menu.
- Select the ALB that you want to remediate and click on its name to open its configuration page.
- Click on the “Listeners” tab in the ALB configuration page.
- Click on the “Edit” button next to the listener that you want to update the SSL/TLS configuration for.
- In the “Edit Listener” dialog box, select the “HTTPS” protocol.
- Under the “SSL/TLS certificates” section, select the certificate that you want to use for the listener.
- Under the “Security policy” section, select the latest SSL/TLS policy that is available in the drop-down list.
- Click on the “Save” button to save the changes.
Using CLI
Using CLI
To remediate this misconfiguration for AWS using AWS CLI, you can follow the below steps:Note: Replace Note: Replace Note: Replace
- Check the current SSL/TLS configuration of your Application Load Balancer (ALB) using the following AWS CLI command:
<your-alb-arn> with the ARN of your ALB.- Identify the latest SSL/TLS configuration that you want to apply to your ALB. You can refer to the AWS documentation to find the latest SSL/TLS configurations supported by ALBs.
- Update the SSL/TLS configuration of your ALB using the following AWS CLI command:
<your-listener-arn> with the ARN of your listener and <your-ssl-policy> with the name of the SSL/TLS policy that you want to apply.- Verify the SSL/TLS configuration of your ALB using the following AWS CLI command:
<your-listener-arn> with the ARN of your listener.- Repeat steps 1-4 for all your ALBs to ensure that they have the latest SSL/TLS configurations.
Using Python
Using Python
To remediate the misconfiguration of ALBs not having the latest SSL/TLS configurations in AWS using Python, you can follow the below steps:
- Install the required Python libraries: boto3 and botocore. You can install them using the following command:
- Create a boto3 client for AWS Application Load Balancer (ALB) using the following code:
- Get the list of all the existing ALBs using the following code:
- Loop through all the ALBs and check if they are using the latest SSL/TLS configurations. You can use the following code to check if the ALB is using the latest SSL/TLS configurations:
- The above code will update the SSL/TLS configuration of the ALB to the latest one if it is not already using it.
- You can schedule this Python script to run periodically to ensure that all the ALBs are using the latest SSL/TLS configurations.