Example: AppStream 2.0 fleet machine role cross-service confused deputy prevention - Amazon AppStream 2.0

Example: AppStream 2.0 fleet machine role cross-service confused deputy prevention

Example aws:SourceAccount Conditional:
JSON
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Principal": {
                "Service": [
                    "appstream.amazonaws.com"
                ]
            },
            "Action": "sts:AssumeRole",
            "Condition": {
                "StringEquals": {
                    "aws:SourceAccount": "your AWS account ID"
                }
            }
        }
    ]
}
Example aws:SourceArn Conditional:
Note

If you want to use one IAM role for multiple fleets, we recommend using the aws:SourceArn global context condition key with wildcards (*) to match multiple AppStream 2.0 fleet resources.

JSON
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Principal": {
                "Service": [
                    "appstream.amazonaws.com"
                ]
            },
            "Action": "sts:AssumeRole",
            "Condition": {
                "ArnLike": {
                    "aws:SourceArn": "arn:{aws partition}:appstream:{your region name}:{your AWS account ID}:fleet/{your fleet name}"
                }
            }
        }
    ]
}