JExperts Tecnologia / Channel Software Privilege Escalation

`CVE-2014-8558 - JExperts Tecnologia / Channel Software Escalation Access  
Issues  
Vendor Notified: 2014-10-27  
  
  
INTRODUCTION:  
  
The Channel Platform is an enterprise software project management (or  
project management) developed by Brazilian company JExperts Technology and  
present at thousands clients private enterprise and government enterprise.  
This software consists of an integrated set of solutions in the areas of  
strategy, projects and processes.  
  
  
This problem was confirmed in the following versions of the Channel, other  
versions maybe also affected.  
  
Version: 5.0.33_CCB  
  
  
DETAILS:  
  
The Channel software is affected by Escalation Access. The variables  
"action" and "key" can be manipulate by the GET method (passing parameters  
at the URL itself), where a user, with restricted access, such as "read  
only", can realize access to any other request of the call center of a user  
other than him and even create or edit existing content posted of other  
users.  
  
A logged with any user at the system, just change the parameter of the  
action ("action" variable) and the value of the key ("key" variable) to be  
manipulated to get unauthorized access to the areas of others users.  
  
  
Examples:  
  
[1] set action to "acompanhar" and key to "201"  
http://<server>/channel/ticket.do?action=acompanhar&key=201  
  
  
[2] set action to "editar" and key to "100"  
http://<server>/channel/ticket.do?action=editar&key=100  
  
  
  
CREDITS:  
  
This vulnerability was discovered and researched by Luciano Pedreira  
(a.k.a. shark)  
  
  
`