Subsonic v6.1.3 - Flash Cross-Domain Policy Vulnerability

Document Title:
===============
Subsonic v6.1.3 - Flash Cross-Domain Policy Vulnerability


References:
===========
https://www.vulnerability-lab.com/get_content.php?id=2115

Video: https://www.youtube.com/watch?v=t3nYuhAHOMg


http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-6014
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-6014

CVE-ID:
=======
CVE-2018-6014


Release Date:
=============
2018-01-21


Vulnerability Laboratory ID (VL-ID):
====================================
2115


Common Vulnerability Scoring System:
====================================
3.8


Vulnerability Class:
====================
Cross Site Request Forgery


Current Estimated Price:
========================
500€ - 1.000€


Vulnerability Disclosure Timeline:
==================================
2018-01-21: Public Disclosure (Vulnerability Laboratory)



Discovery Status:
=================
Published


Exploitation Technique:
=======================
Remote


Severity Level:
===============
Low


Technical Details & Description:
================================
The video has been recorded by the core team security researcher SaifAllah benMassaoud and demonstrates a 
Flash Cross-Domain Policy Vulnerability uncovered in Subsonic v6.1.3 The issue allows the attacker to prepare special 
crafted SWF files to retrieve sensitive user information via read request. The issue is located in cross-domain policy 
(crossdomain.xml) thats allows read access to everything that runs as instance of the flash player.


Credits & Authors:
==================
S.AbenMassaoud [[email protected]] - https://www.vulnerability-lab.com/show.php?user=S.AbenMassaoud



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=========================
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