If you haven't done so get your server(s) patched immediately.
Bash Bug could allow attackers to execute code on Linux, Unix, and Mac OS X.
The bug can be used to hack into vulnerable servers. Once inside, attackers could deface websites, steal user data, and engage in other forms of mischief.
https://access.redhat.com/articles/1200223
https://news.ycombinator.com/item?id=8361574
http://arstechnica.com/security/2014...ith-nix-in-it/
http://www.vox.com/2014/9/25/6843949...-bug-explained