SilverStripe CMS 3.1.9 Path Disclosure

`https://www.osisecurity.com.au/silverstripe-cms---path-disclosure.html  
  
Date:  
04-Apr-2017  
  
Product:  
SilverStripe CMS  
  
Versions affected:  
3.1.9 and below.  
  
Vulnerability:  
Path disclosure.  
  
Example URL:  
http://[target]/dev/build/  
Path reported:  
/home/[target]/public_html/framework/dev/DebugView.php  
  
https://www.silverstripe.org/download/security-releases/ss-2015-001/  
  
Credit:  
Discovered by Patrick Webster  
  
Disclosure timeline:  
07-Nov-2015 - Discovered during audit and reported to developer.  
Developer response.  
05-Feb-2016 - Follow up. Patch released  
https://github.com/silverstripe/silverstripe-framework/pull/3854  
04-Apr-2017 - Public disclosure.  
  
About OSI Security:  
  
OSI Security is an independent network and computer security auditing  
and consulting company based in Sydney, Australia. We provide internal  
and external penetration testing, vulnerability auditing and wireless  
site audits, vendor product assessments, secure network design,  
forensics and risk mitigation services.  
  
We can be found at http://www.osisecurity.com.au/  
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