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Node.js: "Assertion failed" in node::http2::Http2Session::~Http2Session() leads to HTTP/2 server crash

🗓️ 15 Jan 2024 14:48:55Reported by bartType 
hackerone
 hackerone🔗 hackerone.com👁 58 Views

Vulnerability in Node.js HTTP/2 stack leads to server crash due to assertion failure in `Http2Session` destructor. Attack involves sending TCP packets and HTTP/2 frames, causing DoS. Hard to debug. Steps to reproduce involve sending specific HTTP/2 frames and disconnecting TCP connection. Exploit in Golang provided for demonstration

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08 Apr 2024 22:25Current
6.3Medium risk
Vulners AI Score6.3
CVSS 38.2
EPSS0.87211
SSVC
node.jshttp/2vulnerabilityserver crashhttp/2 framesdosexploitgolangtcp packets
58