GCP - ClientAuthConfig Privesc

Reading time: 1 minute

tip

Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE)
Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)

Support HackTricks

Create OAuth Brand and Client

According to the docs, these are the required permissions:

  • clientauthconfig.brands.list
  • clientauthconfig.brands.create
  • clientauthconfig.brands.get
  • clientauthconfig.clients.create
  • clientauthconfig.clients.listWithSecrets
  • clientauthconfig.clients.getWithSecret
  • clientauthconfig.clients.delete
  • clientauthconfig.clients.update
bash
# Create a brand
gcloud iap oauth-brands list
gcloud iap oauth-brands create --application_title=APPLICATION_TITLE --support_email=SUPPORT_EMAIL
# Create a client of the brand
gcloud iap oauth-clients create projects/PROJECT_NUMBER/brands/BRAND-ID --display_name=NAME

tip

Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE)
Learn & practice GCP Hacking: HackTricks Training GCP Red Team Expert (GRTE)

Support HackTricks