40046β€”Server Side Request Forgery

PUBLISHEDsecurity alertHigh
Active

Metadata

Alert ID:
40046
Risk:
High
Type:
Active

Summary

The web server receives a remote address and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Solution

Do not accept remote addresses as request parameters, and if you must, ensure that they are validated against an allow-list of expected values.

Other info

The canary token from the out-of-band service was found in the response body.

References