Urgent Support Notice for Linux Users: ‘Bash’ Software Vulnerability More Severe Than Heartbleed

As of yesterday (September 24, 2014), there has been a very significant vulnerability disclosed on a software that is used by millions – `Bash`. Bash is the shell utility that allows you to interact with the operating system via the command line. The command line allows you to perform operations on your computer without having to do everything via a GUI. Also, scripts are written using Bash’s built in commands that automate tasks on your server proving how critical Bash is to your system. Although there are other shell utilities available, Bash is by far the most distributed and used.

This flaw effects the operating system itself, allowing attackers to gain full access to your server if it is running the Linux Operating System. It has been rated as a 10/10 for severity. To patch this vulnerability, you will need to update the Bash software on your system. Please see the following commands to update our most popular operating systems:

Fedora: # yum update bash

CentOS: # yum update bash

Ubuntu: # apt-get update && apt-get --only-upgrade install bash

Debian: # apt-get update && apt-get --only-upgrade install bash

Urgent Support Notice for Linux Users: ‘Bash’ Software Vulnerability More Severe Than Heartbleed