Triage and Remediation
Remediation
Using Console
Using Console
To remediate the misconfiguration “S3 Bucket Should Not Allow Public WRITE_ACP Access” for AWS using the AWS console, please follow the below steps:
- Log in to your AWS console.
- Navigate to S3 service.
- Select the bucket that has public WRITE_ACP access.
- Click on the “Permissions” tab.
- Scroll down to “Access Control List (ACL)” and click on it.
- Look for any entries that have the “Grantee” set to “All Users” or “Authenticated Users”.
- If you find any such entries, select them and click on the “Revoke” button to remove the public WRITE_ACP access.
- Click on the “Save” button to save the changes.
Using CLI
Using CLI
To remediate the misconfiguration “S3 Bucket Should Not Allow Public WRITE_ACP Access” for AWS using AWS CLI, you can follow these steps:Replace BUCKET_NAME with the name of the S3 bucket that you want to update.Replace BUCKET_NAME with the name of the S3 bucket that you updated in step 3.
- Open the AWS CLI on your local machine or EC2 instance.
- Identify the S3 bucket that is allowing public WRITE_ACP access. You can use the following command to list all the S3 buckets in your AWS account:
- Once you have identified the bucket, you can use the following command to update the bucket policy to remove public WRITE_ACP access:
- Verify that the bucket policy has been updated successfully by running the following command:
- Check if the misconfiguration has been remediated by running a security scan or audit on your AWS account.
Using Python
Using Python
To remediate the issue of S3 Bucket allowing public WRITE_ACP access in AWS using Python, you can follow the below steps:This will set the bucket ACL to private and remove the public WRITE_ACP access.
- Install the AWS SDK for Python (boto3) using the following command:
- Create a boto3 S3 client object using the following code:
- Get the bucket policy using the
get_bucket_policy
method of the S3 client object:
- Check if the bucket policy allows public WRITE_ACP access. You can use the following code to check this:
- If the bucket policy allows public WRITE_ACP access, you can remove it using the
put_bucket_acl
method of the S3 client object. You can use the following code to remove the public WRITE_ACP access: