Callback-url-file-3a-2f-2f-2fhome-2f-2a-2f.aws-2fcredentials

Never allow an application to redirect to or fetch data from an arbitrary URL provided by a user.

The attack typically targets applications that do not properly validate user-supplied URLs. Here is the step-by-step breakdown of how this exploit manifests: callback-url-file-3A-2F-2F-2Fhome-2F-2A-2F.aws-2Fcredentials

Never allow users to provide full URLs that your server then fetches. Never allow an application to redirect to or

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| Your original string's intent | Correct article topic | | :--- | :--- | | The file:// protocol & local files | | | Reading .aws/credentials via a callback | [Protecting AWS credentials from SSRF and open redirect attacks] | | URL-encoded file paths in OAuth | [Proper OAuth callback URL validation: why local file paths must be blocked] | callback-url-file-3A-2F-2F-2Fhome-2F-2A-2F.aws-2Fcredentials