[BUG] : IAM user with privileged roles at project level

[priyanshukumar397]

Component(s)

router

Component version

latest

wgc version

latest

controlplane version

latest

router version

latest

What happened?

Detailed paths

Introduced through: resource › google_project_iam_member[cosmo-service-account-permissions]

resource google_project_iam_member "cosmo-service-account-permissions" {
    role = "roles/iam.serviceAccountUser"
    project = var.project
    member = "serviceAccount:${google_service_account.cosmo-sa.email}"
}

https://github.com/cosmo/blob/main/infrastructure/router/modules/google-cloudrun/iam.tf

This issue is...

IAM user has Service Account User or Service Account Token Creator role assigned at project level The impact of this is...

Users can impersonate service accounts and abuse the elevated permissions You can resolve it by...

Remove roles/iam.serviceAccountUser and roles/iam.serviceAccountTokenCreator from project level bindings

Environment information

No response

Router configuration

No response

Router execution config

No response

Log output

No response

Additional context

No response

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[AndreasZeissner]

Hi @priyanshukumar397,

thanks for opening an issue,

this is necessary for cloud run to work properly in this scenario and no security concern.

It follows the official docs, please have a look at https://cloud.google.com/run/docs/configuring/services/service-identity

[priyanshukumar397]

Ok thanks for pointing out :)