terraform.gcp.security.gcp-project-member-default-service-account-iam-member.gcp-project-member-default-service-account-iam-member
semgrep
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Ensure Default Service account is not used at a project level
Run Locally
Run in CI
Defintion
rules:
- id: gcp-project-member-default-service-account-iam-member
patterns:
- pattern: resource
- pattern-inside: |
resource "google_project_iam_member" "..." {
...
member = $MEMBER
...
}
- metavariable-regex:
metavariable: $MEMBER
regex: ((.*)-compute@developer.gserviceaccount.com)
message: Ensure Default Service account is not used at a project level
metadata:
owasp:
- A05:2017 - Broken Access Control
- A01:2021 - Broken Access Control
cwe:
- "CWE-284: Improper Access Control"
category: security
technology:
- terraform
- gcp
references:
- https://owasp.org/Top10/A01_2021-Broken_Access_Control
subcategory:
- audit
likelihood: LOW
impact: LOW
confidence: LOW
license: Commons Clause License Condition v1.0[LGPL-2.1-only]
vulnerability_class:
- Improper Authorization
languages:
- hcl
severity: WARNING
Examples
gcp-project-member-default-service-account-iam-member.tf
# fail
# ruleid: gcp-project-member-default-service-account-iam-member
resource "google_project_iam_member" "fail" {
project = "your-project-id"
role = "roles/resourcemanager.organizationAdmin"
member = "serviceAccount:test-compute@developer.gserviceaccount.com"
}
# ok: gcp-project-member-default-service-account-iam-member
resource "google_project_iam_member" "success" {
project = "your-project-id"
role = "roles/other"
member = "user@mail.com"
}
Short Link: https://sg.run/4XXz