HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion
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原文摘录
摘自原文（6365 字符中的一小部分）
**Summary:** Node.js http2 server is vulnerable against denial of service attacks when too many connection attempts with an 'unknownProtocol' are established. This leads to a leak of file descriptors. If a file descriptor limit is configured on the system, then the server is unable to accept new …
原文中的代码
server.on('unknownProtocol', socket => {
// Install a timeout of 10 second if the socket was
// not successfully closed, then destroy the socket
// to ensure that the underlying resources are released.
const timer = setTimeout(() => {
if (!socket.destroyed) {
socket.destroy(); …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 Node.js 所有。
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阅读 HackerOne 原文 ↗作者 @omicronenergy · 版权归作者与 Node.js 所有