ghsa-jf5r-8hm2-f872
Vulnerability from github
Leading control characters in a URL are not stripped when passed into url-parse. This can cause input URLs to be mistakenly be interpreted as a relative URL without a hostname and protocol, while the WHATWG URL parser will trim control characters and treat it as an absolute URL.
If url-parse is used in security decisions involving the hostname / protocol, and the input URL is used in a client which uses the WHATWG URL parser, the decision may be incorrect.
This can also lead to a cross-site scripting (XSS) vulnerability if url-parse is used to check for the javascript: protocol in URLs. See following example: ```js const parse = require('url-parse') const express = require('express') const app = express() const port = 3000
url = parse(\"\bjavascript:alert(1)\")
console.log(url)
app.get('/', (req, res) => { if (url.protocol !== \"javascript:\") {res.send(\"CLICK ME!\")} })
app.listen(port, () => {
console.log(Example app listening on port ${port})
})
```
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "url-parse"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.9"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-0691"
],
"database_specific": {
"cwe_ids": [
"CWE-639"
],
"github_reviewed": true,
"github_reviewed_at": "2022-03-01T19:05:20Z",
"nvd_published_at": "2022-02-21T09:15:00Z",
"severity": "MODERATE"
},
"details": "Leading control characters in a URL are not stripped when passed into url-parse. This can cause input URLs to be mistakenly be interpreted as a relative URL without a hostname and protocol, while the WHATWG URL parser will trim control characters and treat it as an absolute URL.\n\nIf url-parse is used in security decisions involving the hostname / protocol, and the input URL is used in a client which uses the WHATWG URL parser, the decision may be incorrect.\n\nThis can also lead to a cross-site scripting (XSS) vulnerability if url-parse is used to check for the javascript: protocol in URLs. See following example:\n```js\nconst parse = require(\u0027url-parse\u0027)\nconst express = require(\u0027express\u0027)\nconst app = express()\nconst port = 3000\n\nurl = parse(\\\"\\\\bjavascript:alert(1)\\\")\n\nconsole.log(url)\n\napp.get(\u0027/\u0027, (req, res) =\u003e {\n if (url.protocol !== \\\"javascript:\\\") {res.send(\\\"\u003ca href=\\\\\u0027\\\" + url.href + \\\"\\\\\u0027\u003eCLICK ME!\u003c/a\u003e\\\")}\n })\n\napp.listen(port, () =\u003e {\n console.log(`Example app listening on port ${port}`)\n })\n```",
"id": "GHSA-jf5r-8hm2-f872",
"modified": "2023-09-11T22:57:14Z",
"published": "2022-02-22T00:00:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0691"
},
{
"type": "WEB",
"url": "https://github.com/unshiftio/url-parse/commit/0e3fb542d60ddbf6933f22eb9b1e06e25eaa5b63"
},
{
"type": "PACKAGE",
"url": "https://github.com/unshiftio/url-parse"
},
{
"type": "WEB",
"url": "https://huntr.dev/bounties/57124ed5-4b68-4934-8325-2c546257f2e4"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00030.html"
},
{
"type": "WEB",
"url": "https://security.netapp.com/advisory/ntap-20220325-0006"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "url-parse incorrectly parses hostname / protocol due to unstripped leading control characters."
}
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.