HexBrain

Shopify · Report #98819

S3 Buckets open to the world thanks to 'Authenticated Users' ACL

Validstatus
$1,000bounty
14upvotes
23 Feb 2016disclosed

Summary

Some of Shopify's Amazon S3 buckets were inadvertently left with "Any Authenticated AWS User" read or write permissions, allowing users outside of Shopify to access the buckets. The excess permissions have been removed.

How it was found

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