Trixbox Information Disclosure Vulnerability

Summary
The host is running Trixbox and is prone to information disclosure vulnerability.
Impact
Successful exploitation allows attackers to obtain valid usernames, which may aid them in brute-force password cracking or other attacks. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is due to Trixbox returning valid usernames via a http GET request to a Flash Operator Panel(FOP) file.
Affected
Trixbox version 2.8.0.4 and prior.
References