Authorization Bypass Through User-Controlled Key Affecting url-parse package, versions <1.5.7
Threat Intelligence
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 applications- Snyk IDSNYK-JS-URLPARSE-2412697
- published24 Feb 2022
- disclosed17 Feb 2022
- credithaxatron
Introduced: 17 Feb 2022
CVE-2022-0639 (opens in a new tab)How to fix?
Upgrade url-parse to version 1.5.7 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 Authorization Bypass Through User-Controlled Key due to incorrect conversion of @ in the protocol field of the HREF.
PoC:
parse = require('url-parse')
console.log(parse("http:@/127.0.0.1"))
Output:
{
slashes: true,
protocol: 'http:',
hash: '',
query: '',
pathname: '/127.0.0.1',
auth: '',
host: '',
port: '',
hostname: '',
password: '',
username: '',
origin: 'null',
href: 'http:///127.0.0.1'
}