AWS EC2 instance can create a login profile for an IAM user with administrative privileges
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Description
In AWS environments, some IAM permissions can lead to privilege escalation, where an identity can gain access to another more privileged identity. This rule identifies when an EC2 instance has an IAM role that can use iam:CreateLoginProfile to create a new login profile for an IAM user with administrative privileges. By creating a new login profile for another user, an adversary could log in as that user and leverage their privileges.
Rationale
In this scenario, there exists at least one privileged IAM user in the account who does not have a login profile set. The identity which triggered this detection can create a login profile for that IAM user, giving them access to the privileges of the compromised user.
Datadog recommends reducing the permissions attached to an EC2 instance to the minimum necessary for it to fulfill its function. To remediate the issue, either remove the iam:CreateLoginProfile permission entirely or modify the resource the IAM policy specifies.
