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LTI launches not scoped to corresponding consumer hosts #175

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s-edwards opened this issue Sep 3, 2020 · 0 comments
Open

LTI launches not scoped to corresponding consumer hosts #175

s-edwards opened this issue Sep 3, 2020 · 0 comments
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bug priority: normal

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@s-edwards
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While LTI launches are validated against the consumer key/secret pair stored internally, the LTI spec indicates that only requests coming from the corresponding domain. This prevents pirated secret/key pairs from being used without also deploying some kind of DNS/routing/spoofing attack. CodeWorkout currently does not check the domain where requests originate to implement this protection.
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