Recompile bash to prevent ShellShock, see http://alblue.bandlem.com/2014/09/bash-remote-vulnerability.html

bash-fix.sh

mkdir bash-fix
cd bash-fix
curl https://opensource.apple.com/tarballs/bash/bash-92.tar.gz | tar zxf -
cd bash-92/bash-3.2
curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-052 | patch -p0
curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-053 | patch -p0
cd ..
xcodebuild
sudo cp /bin/bash /bin/bash.old
sudo cp /bin/sh /bin/sh.old
build/Release/bash --version # GNU bash, version 3.2.53(1)-release
build/Release/sh --version   # GNU bash, version 3.2.53(1)-release
sudo cp build/Release/bash /bin
sudo cp build/Release/sh /bin

Thanks indeed, compiled and applied no sweat.