I can't get to the article at the moment, but I'd love to know why they failed to update their app especially since it handles financial transactions. I had several apps to update and the process took very little time and effort.
This vulnerability went from disclosure to exploit extremely quickly. The CVE was published on the 8th. I can't speak for them, but in the process of trying to update, we ran in to some issues with therubyracer (a core component of the Rails asset pipeline) and libv8 (the library that therubyracer uses to embed the V8 engine). It was extraordinarily bad timing, and it slowed down our update process by almost a day wh…
But if it was somewhat important, kill the application servers until you can be sure to have upgraded properly.