Access Restriction Bypass Affecting url-parse package, versions <1.5.6
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.13% (49th
percentile)
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Test your applications- Snyk ID SNYK-JS-URLPARSE-2401205
- published 15 Feb 2022
- disclosed 15 Feb 2022
- credit ranjit-git
Introduced: 15 Feb 2022
CVE-2022-0512 Open this link in a new tabHow to fix?
Upgrade url-parse to version 1.5.6 or higher.
Overview
url-parse is a Small footprint URL parser that works seamlessly across Node.js and browser environments.
Affected versions of this package are vulnerable to Access Restriction Bypass due to improper parsing process, that may lead to incorrect handling of authentication credentials and hostname, which allows bypass of hostname validation.
PoC:
// PoC.js
var parse = require('url-parse')
var cc=parse("http://admin:password123@@127.0.0.1")
//Output:
{ slashes: true,
protocol: 'http:',
hash: '',
query: '',
pathname: '/',
auth: 'admin:password123',
host: '@127.0.0.1',
port: '',
hostname: '@127.0.0.1',
password: 'password123',
username: 'admin',
origin: 'http://@127.0.0.1',
href: 'http://admin:password123@@127.0.0.1/' }
References
CVSS Scores
version 3.1