Last video frame is still sent after video is disabled in a call
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原文摘录
摘自原文(1528 字符中的一小部分)
Summary: When a participant is in a call and that participant disables the video rather than a black frame the last frame of the video will be sent. Similarly, if the video is disabled before joining the call the last frame of the video before joining the call will be sent.
原文中的代码
videoElement = document.createElement('video')
document.body.appendChild(videoElement)
videoElement.srcObject = new MediaStream()
videoElement.srcObject.addTrack(OCA.Talk.SimpleWebRTC.webrtc.peers[0].pc.getReceivers()[1].track)
videoElement.style.zIndex = 10000000
videoElement.style.position = …默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Nextcloud 所有。
时间线
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- 公开披露
阅读 HackerOne 原文 ↗作者 @daniel_calvino_sanchez · 版权归作者与 Nextcloud 所有