CVE-2022-1243

描述

\r, \n and \t characters in user-input URLs can potentially lead to incorrect protocol extraction when using npm package urijs prior to version 1.19.11. This can lead to XSS when the module is used to prevent passing in malicious javascript: links into HTML or Javascript (see following example): ```` const parse = require('urijs') const express = require('express') const app = express() const port = 3000 input = "ja\r\nvascript:alert(1)" url = parse(input) console.log(url) app.get('/', (req, res) => { if (url.protocol !== "javascript:") {res.send("<iframe src=\'" + input + "\'>CLICK ME!</iframe>")} }) app.listen(port, () => { console.log(`Example app listening on port ${port}`) }) ````

如何修補 CVE-2022-1243

要修補 CVE-2022-1243,請將受影響套件升級到下列已修補版本。

• —升級至 1.19.11 或更新版本

CVE-2022-1243 正在被利用嗎?

低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 1.19.11

CVSS 分數

參考連結(4)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2022-1243
• PATCHgithub.com/medialize/uri.js
• WEBgithub.com/medialize/uri.js/commit/b0c9796aa1a95a85f40924fb18b1e5da3dc8ffae
• WEBhuntr.dev/bounties/8c5afc47-1553-4eba-a98e-024e4cc3dfb7