GCP - Pubsub Privesc

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PubSub

pubsub.snapshots.create

The snapshots of topics contain the current unACKed messages and every message after it. You could create a snapshot of a topic to access all the messages, avoiding access the topic directly.

pubsub.snapshots.setIamPolicy

Assign the pervious permissions to you.

pubsub.subscriptions.create

You can create a push subscription in a topic that will be sending all the received messages to the indicated URL

pubsub.subscriptions.update

Set your own URL as push endpoint to steal the messages.

pubsub.subscriptions.consume

Access messages using the subscription.

pubsub.subscriptions.setIamPolicy

Give yourself any of the preiovus permissions

Learn AWS hacking from zero to hero with htARTE (HackTricks AWS Red Team Expert)!

Other ways to support HackTricks:

• If you want to see your company advertised in HackTricks or download HackTricks in PDF Check the SUBSCRIPTION PLANS!

• Get the official PEASS & HackTricks swag

• Discover The PEASS Family, our collection of exclusive NFTs

• Join the 💬 Discord group or the telegram group or follow us on Twitter 🐦 @hacktricks_live.

• Share your hacking tricks by submitting PRs to the HackTricks and HackTricks Cloud github repos.