Actually this is not a vulnerability in the product itself, but if you use Asterisk or one of its derivatives such as TrixBox, you should review your SIP and IAX secrets to make sure they are not the same as your extension numbers. As reported by Kerry Garrison on his blog: There are some new scripts...
I spent a fair chunk of today with Peter Gradwell and some of his colleagues from Gradwell.com. They were celebrating the company’s 10th anniversary and were kind enough to invite some of their customers to lunch in Cardiff Bay. We chose Gradwell.com as our preferred supplier of digital trunks for our...