More Info:
Check Elastic Load Balancer (ELB) security layer for at least one valid security group that restrict access only to the ports defined in the load balancer listeners configuration.Risk Level
MediumAddress
SecurityCompliance Standards
CBPTriage and Remediation
Remediation
Using Console
Using Console
Sure, here are the step-by-step instructions to remediate the ELB Security Layer misconfiguration in AWS:
- Open the AWS Management Console and navigate to the EC2 dashboard.
- Click on the “Load Balancers” link in the left-hand menu.
- Select the ELB that is experiencing the misconfiguration.
- In the “Description” tab, click on “Edit security groups” in the “Security” section.
- In the “Configure Security Group” dialog box, select the security group that you want to add to the ELB.
- Click on the “Add” button to add the selected security group to the ELB.
- Click on the “Save” button to save the changes.
- Verify the changes by navigating to the “Instances” tab and checking that the ELB now has at least one valid security group associated with it.
Using CLI
Using CLI
To remediate the ELB Security Layer misconfiguration in AWS using AWS CLI, follow these steps:Once these steps are completed, the ELB Security Layer misconfiguration should be remediated.
- Identify the name of the ELB that is not associated with a valid security group. You can do this by running the following command:
- Once you have identified the name of the ELB, you need to create a new security group or use an existing one that is associated with the ELB. To create a new security group, run the following command:
- Once the security group is created, you need to add a rule to allow incoming traffic on the required ports. For example, to allow incoming traffic on port 80, run the following command:
- Finally, you need to associate the security group with the ELB. To do this, run the following command:
- Verify that the ELB is now associated with a valid security group by running the following command:
Using Python
Using Python
To remediate the ELB Security Layer misconfiguration in AWS using Python, you can follow the below steps:
- Import the necessary AWS SDK libraries using pip install:
- Create an AWS session using your access key and secret access key:
- Get a list of all the ELBs in your AWS account:
- For each ELB, check if it has at least one valid security group:
-
Replace
valid_security_group_idwith the ID of a valid security group in your AWS account. - Save the Python script and run it to remediate the ELB Security Layer misconfiguration in your AWS account.