HexBrain

Valve · Report #1018368

Add any depot to your app and access its contents without decryption key; via /apps/setcommonredists

Validstatus
highseverity
56upvotes
30 Jul 2024disclosed

Summary

A parameter-validation error on an endpoint used to configure redistributable depots could be forced to add external depots to an existing (attacker-owned) app.

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How it was found

The write-up for this report has not been downloaded yet, or the program disclosed it without one. Read it on HackerOne.

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original