[Uptrenda]

Wow, this looks bad. Many VPS and shared hosting providers would be directly shellable with this. Even exploits that got you onto a web server with a limited web shell = full root. Alternatively, sites that already have shells from previous script kiddies can be escalated to root too. Not that I would advocate any of this ^_^ But there are many places where local access is required and you rely on permissions to work properly. A program as important as sudo (or wide spread) is not the kind of place you want to see a vuln this severe