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[webrtc-pc] addIceCandidate may add ice candidate to the wrong remote description

From: Soares Chen via GitHub <sysbot+gh@w3.org>
Date: Fri, 19 May 2017 03:27:38 +0000
To: public-webrtc@w3.org
Message-ID: <issues.opened-229861272-1495164456-sysbot+gh@w3.org>
soareschen has just created a new issue for https://github.com/w3c/webrtc-pc:

== addIceCandidate may add ice candidate to the wrong remote description ==
In step 2 and 3 of 4.6.2:

> 2. Let `remoteDescription` be connection's `pendingRemoteDescription` if not null, otherwise connection's `currentRemoteDescription`.
> 3. Add candidate to `remoteDescription`.

An `RTCPeerConnection` object could have both `pendingRemoteDescription` and `currentRemoteDescription` set with different ufrags, i.e. during ICE restart. If `addIceCandidate` is called with ufrag of previous ICE generation, i.e. `currentRemoteDescription`, the step still adds the candidate to the current generation, i.e. `pendingRemoteDescription`.

Please view or discuss this issue at https://github.com/w3c/webrtc-pc/issues/1227 using your GitHub account
Received on Friday, 19 May 2017 03:27:45 UTC

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