Security: TURN credential minting endpoint is unauthenticated and can be abused#352
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`POST /api/ice` issues fresh TURN credentials whenever `COTURN_ENABLED` is set, without any authentication, abuse controls, or quota. Attackers can repeatedly request credentials and consume TURN relay resources, potentially causing bandwidth/cost abuse and service degradation. Affected files: route.ts Signed-off-by: tuanaiseo <221258316+tuanaiseo@users.noreply.github.com>
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Problem
POST /api/iceissues fresh TURN credentials wheneverCOTURN_ENABLEDis set, without any authentication, abuse controls, or quota. Attackers can repeatedly request credentials and consume TURN relay resources, potentially causing bandwidth/cost abuse and service degradation.Severity:
highFile:
src/app/api/ice/route.tsSolution
Add abuse controls: require authenticated/session-bound requests, enforce strict rate limits per IP/session, shorten TTL, and monitor/revoke anomalous credential issuance. Consider signed, single-use credentials tied to a channel.
Changes
src/app/api/ice/route.ts(modified)Testing